diff --git a/dist/combobo.js b/dist/combobo.js
index dd37cc3..5ffd18c 100644
--- a/dist/combobo.js
+++ b/dist/combobo.js
@@ -1 +1 @@
-!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.Combobo=e():t.Combobo=e()}("undefined"!=typeof self?self:this,function(){return function(t){var e={};function n(i){if(e[i])return e[i].exports;var r=e[i]={i:i,l:!1,exports:{}};return t[i].call(r.exports,r,r.exports,n),r.l=!0,r.exports}return n.m=t,n.c=e,n.d=function(t,e,i){n.o(t,e)||Object.defineProperty(t,e,{configurable:!1,enumerable:!0,get:i})},n.n=function(t){var e=t&&t.__esModule?function(){return t.default}:function(){return t};return n.d(e,"a",e),e},n.o=function(t,e){return Object.prototype.hasOwnProperty.call(t,e)},n.p="",n(n.s=2)}([function(t,e,n){"use strict";t.exports=s;var i=n(3),r=n(4),o=Array.prototype;function s(t){if(!(this instanceof s))return new s(t);var e,n=r(t.className).split(/\s+/);for(this._elem=t,this.length=0,e=0;e<n.length;e+=1)n[e]&&o.push.call(this,n[e])}s.prototype.add=function(){var t,e;for(e=0;e<arguments.length;e+=1)t=""+arguments[e],i(this,t)>=0||o.push.call(this,t);return this._elem.className=this.toString(),this},s.prototype.remove=function(){var t,e,n;for(n=0;n<arguments.length;n+=1)e=""+arguments[n],(t=i(this,e))<0||o.splice.call(this,t,1);return this._elem.className=this.toString(),this},s.prototype.contains=function(t){return i(this,t+="")>=0},s.prototype.toggle=function(t,e){return t+="",!0===e?this.add(t):!1===e?this.remove(t):this[this.contains(t)?"remove":"add"](t)},s.prototype.toString=function(){return o.join.call(this," ")}},function(t,e,n){"use strict";t.exports=function t(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:8;var n="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";var i=n+"0123456789";var r=n.charAt(Math.floor(Math.random()*n.length));for(var o=1;o<e;o++)r+=i.charAt(Math.floor(Math.random()*i.length));if(document.getElementById(r))return t(e);return r}},function(t,e,n){"use strict";var i="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},r=function(){function t(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}return function(e,n,i){return n&&t(e.prototype,n),i&&t(e,i),e}}(),o=w(n(0)),s=w(n(5)),u=w(n(6)),c=w(n(7)),a=w(n(8)),l=w(n(9)),f=w(n(10)),h=w(n(12)),p=w(n(14)),d=w(n(15)),v=w(n(17)),g=w(n(18)),m=w(n(19)),y=w(n(20)),b=w(n(21)),O=w(n(24)),x=w(n(1));function w(t){return t&&t.__esModule?t:{default:t}}t.exports=function(){function t(e){var n=this;if(function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}(this,t),e=e||{},this.config=(0,b.default)(e),this.isOpen=!1,this.currentOption=null,this.selectElm=null,this.selected=[],this.inputElm=null,this.groups=[],this.isHovering=!1,this.autoFilter=this.config.autoFilter,this.optionsWithEventHandlers=new Set,this.optionsWithKeyEventHandlers=new Set,!this.config.internalCall){var i={},r=(0,d.default)(this.config.select,!0),o=(0,d.default)(this.config.input,!0);if(o&&o.length&&!this.config.select.startsWith("#")&&o.forEach(function(e){var r=Object.assign({},n.config);if(n.config.selectOnly&&(r.filter="starts-with",r.autoFilter=!1,"input"===e.tagName.toLowerCase())){r.inputElm=e;var o=document.createElement("div");[].concat(function(t){if(Array.isArray(t)){for(var e=0,n=Array(t.length);e<t.length;e++)n[e]=t[e];return n}return Array.from(t)}(e.attributes)).forEach(function(t){["type","value"].includes(t.name)||o.setAttribute(t.name,t.value)}),r.inputElm.style.display="none",r.inputElm.insertAdjacentElement("afterend",o),o.setAttribute("tabindex","0"),o.id=e.id+"-combobo",e=o}e.id=e.id||(0,x.default)(),r.input=e,r.internalCall=!0,i[e.id]=new t(r)}),r&&r.length&&!this.config.input.startsWith("#")&&r.forEach(function(e){e.id=e.id||(0,x.default)();var r=document.getElementById(e.id+"-combobo");r&&r.remove();var o=n.transformSelectElement(e);e.parentNode.insertBefore(o.comboElement,e.nextSibling);var s=Object.assign({},n.config);s.input=o.input,s.select=e,s.multiselect=e.multiple,s.internalCall=!0,e.style.display="none",i[e.id]=new t(s)}),Object.keys(i).length)return 1==Object.keys(i).length?i[Object.keys(i)[0]]:i}if(this.input=(0,d.default)(this.config.input),this.selectElm=(0,d.default)(this.config.select),this.toggleButtonIcon=this.config.toggleButtonIcon,this.input&&this.input.parentNode&&(this.list=(0,d.default)(this.config.list,!1,this.input.parentNode),this.toggleButton=(0,d.default)(this.config.toggleButton,!1,this.input.parentNode),this.config.toggleButtonIcon&&(this.toggleButton.innerHTML=this.config.toggleButtonIcon)),!this.input||!this.list)throw new Error("Unable to find required elements (list/input)");if(this.config.source&&Array.isArray(this.config.source)){for(this.emptyDropdownList();this.list.hasChildNodes();)this.list.removeChild(this.list.firstChild);this.currentOpts=[],this.config.source.forEach(function(t){if(t.label&&t.options){var e=n.createOptgroupElement(t.label);t.options.forEach(function(t){var i=n.createOptionElement(t.text,t.value,t.selected,t.disabled);e.appendChild(i),n.currentOpts.push(i)}),n.list.appendChild(e)}else{var i=n.createOptionElement(t.text,t.value,t.selected,t.disabled);n.list.appendChild(i),n.currentOpts.push(i)}}),this.cachedOpts=this.currentOpts}else this.cachedOpts=this.currentOpts=(0,d.default)(this.config.options,!0,this.list);if(this.config.groups){var s=(0,d.default)(this.config.groups,!0,this.list);this.groups=s.map(function(t){return{element:t,options:n.cachedOpts.filter(function(e){return t.contains(e)})}})}(0,m.default)(this.input,this.list,this.cachedOpts),this.config.useLiveRegion&&(this.liveRegion=new u.default({ariaLive:"assertive"})),this.initEvents();var c=!0,a=!1,l=void 0;try{for(var f,h=this.currentOpts[Symbol.iterator]();!(c=(f=h.next()).done);c=!0){var p=f.value;p.classList.contains(this.config.selectedClass)&&(this.currentOption=p,this.select())}}catch(t){a=!0,l=t}finally{try{!c&&h.return&&h.return()}finally{if(a)throw l}}}return r(t,[{key:"initEvents",value:function(){var t=this;(0,s.default)(this),this.optionsWithKeyEventHandlers.has(this.input)||(this.input.addEventListener("click",function(){t.openList().goTo(t.getOptIndex()||0)}),this.input.addEventListener("blur",function(){t.isHovering||t.closeList()}),this.input.addEventListener("focus",function(){t.selected.length&&(t.input.value=t.selected.length>=2?"":t.config.selectionValue(t.selected)),t.config.selectOnly||t.input.select()}),this.toggleButton&&this.toggleButton.addEventListener("click",function(e){e.stopPropagation(),t.isOpen?t.closeList():t.openList()}),document.addEventListener("click",function(e){!(0,p.default)(e.target,[t.input,t.list],!0)&&t.isOpen&&t.closeList()})),this.optionEvents(),this.initKeys()}},{key:"getOptIndex",value:function(){return this.currentOption&&this.currentOpts.indexOf(this.currentOption)}},{key:"optionEvents",value:function(){var t=this;this.cachedOpts.forEach(function(e){t.optionsWithEventHandlers.has(e.id)||t.selected.includes(e)||(e.addEventListener("click",function(){t.goTo(t.currentOpts.indexOf(e)).select()}),e.addEventListener("mouseover",function(){var n=t.currentOption;n&&(0,o.default)(n).remove(t.config.activeClass),(0,o.default)(e).add(t.config.activeClass),t.isHovering=!0}),e.addEventListener("mouseout",function(){(0,o.default)(e).remove(t.config.activeClass),t.isHovering=!1}),t.optionsWithEventHandlers.add(e.id))})}},{key:"openList",value:function(){(0,o.default)(this.list).add(this.config.openClass),this.input.setAttribute("aria-expanded","true"),this.isOpen||this.announceCount(),this.isOpen=!0,this.emit("list:open");var t=(0,l.default)(this.list);if(!t.visible){var e="bottom"===t.position?0-(window.innerHeight-(this.input.clientHeight+this.list.clientHeight)):0;(0,c.default)({element:this.input,offset:e,bezier:[.19,1,.22,1],duration:100})}return this}},{key:"closeList",value:function(t,e){return(0,o.default)(this.list).remove(this.config.openClass),this.input.setAttribute("aria-expanded","false"),this.isOpen=!1,t&&this.input.focus(),!this.multiselect&&this.selected.length&&(this.input.value=this.config.selectionValue(this.selected)),e&&!this.config.selectOnly&&this.input.select(),this.emit("list:close"),this}},{key:"getSearchString",value:function(t){var e=this;return t?("number"==typeof this.searchTimeout&&window.clearTimeout(this.searchTimeout),this.searchTimeout=window.setTimeout(function(){e.searchString=""},this.config.selectSearchTimeout),this.searchString=this.searchString?this.searchString+t:t,this.searchString.toLowerCase()):this.searchString}},{key:"initKeys",value:function(){var t=this;if(!this.optionsWithKeyEventHandlers.has(this.input)){this.optionsWithKeyEventHandlers.add(this.input),h.default.down(this.input,[{keys:["up","down"],callback:function(e,n){if(t.isOpen)return-1===t.currentOpts.indexOf(t.currentOption)?t.goTo(0,!0):t.goTo("down"===n?"next":"prev",!0);var i=t.selected.length?t.currentOpts.indexOf(t.selected[t.selected.length-1]):0;t.goTo(i,!0).openList()},preventDefault:!0},{keys:["enter"],callback:function(){t.isOpen?t.select():t.openList()}},{keys:["escape"],callback:function(e){t.isOpen&&(e.stopPropagation(),t.closeList(!0,!0))}},{keys:["backspace"],callback:function(){t.selected.length>=2&&(t.input.value="")}}]),h.default.down(window,function(e){" "===e.key&&e.target===t.input&&(t.config.selectOnly&&(e.preventDefault(),e.stopPropagation()),t.isOpen||t.openList())}),h.default.down(this.input,function(e){var n=e.key,i=e.metaKey,r=e.ctrlKey,o=e.altKey;i||r||o||n&&[" ","tab","backspace"].includes(n.toLowerCase())&&t.isOpen&&(e.preventDefault(),e.stopPropagation(),t.select(),t.closeList())}),this.config.selectOnly&&(h.default.up(this.input,function(e){var n=e.key,i=e.altKey,r=e.ctrlKey,o=e.metaKey;if(new Array(26).fill(1).map(function(t,e){return String.fromCharCode("a".charCodeAt(0)+e)}).includes(n)&&" "!==n&&!i&&!r&&!o){e.preventDefault(),e.stopPropagation();var s=t.getSearchString(n);t.isOpen||t.openList();var u=t.searchIndex(s);u>-1&&t.goTo(u)}}),this.input.addEventListener("blur",function(){t.searchString="",t.selected.length&&(t.input.innerText=t.config.selectionValue(t.selected))}));var e=[9,13,27,16];h.default.up(this.input,function(n){if(t.autoFilter){var i=t.config.filter,r=t.cachedInputValue;e.indexOf(n.which)>-1||!i||"div"===t.input.tagName.toLowerCase()||(t.freshSelection?(t.clearFilters(),r&&r.trim()!==t.input.value.trim()&&(t.filter().openList(),t.freshSelection=!1)):t.filter().openList(),(0,g.default)(t.list,t.currentOpts,t.config.noResultsText))}})}}},{key:"searchIndex",value:function(t){var e=this.getOptIndex(),n=t.trim(),i=n[0],r=n===i.repeat(n.length)&&n.length>1,o=this.currentOpts.filter(function(t){return t.textContent.toLowerCase().startsWith(r?i:n)});if(0===o.length)return-1;if(1===o.length)return this.currentOpts.indexOf(o[0]);if(-1===e)return this.currentOpts.indexOf(o[0]);var s=o.indexOf(this.currentOption);return r&&o.length>1?this.currentOpts.indexOf(o[s+1]||o[0]):-1!==s&&s<o.length-1?this.currentOpts.indexOf(o[0]):this.currentOpts.indexOf(o[s+1]||o[0])}},{key:"clearFilters",value:function(){return this.cachedOpts.forEach(function(t){return t.style.display=""}),this.groups.forEach(function(t){return t.element.style.display=""}),this.currentOpts=this.cachedOpts,this}},{key:"filter",value:function(t,e){var n=this;e||(e=this.config.selectOnly?this.input.innerText:this.input.value);var i=this.config.filter,r=this.currentOpts;return this.currentOpts="function"==typeof i?i(e.trim(),this.cachedOpts):f.default[i](e.trim(),this.cachedOpts),this.currentOpts=this.currentOpts||[],this.updateOpts(),r.every(function(t){return n.currentOpts.indexOf(t)>-1})||t||this.announceCount(),this}},{key:"announceCount",value:function(){var t=this.config.announcement&&this.config.announcement.count;return t&&this.liveRegion&&this.liveRegion.announce(t(this.currentOpts.length),500),this}},{key:"updateOpts",value:function(){var t=this,e=this.config.optionValue;return this.cachedOpts.forEach(function(n){n.style.display=-1===t.currentOpts.indexOf(n)?"none":"",n.innerHTML="string"==typeof e?(0,y.default)(n,"div"===t.input.tagName.toLowerCase()?t.getSearchString():t.input.value,e):e(n)}),this.updateGroups(),this}},{key:"updateGroups",value:function(){return this.groups.forEach(function(t){var e=t.options.filter(function(t){return""===t.style.display});t.element.style.display=e.length?"":"none"}),this}},{key:"select",value:function(){var t=this,e=this.currentOption;if(e){!this.config.multiselect&&this.selected.length&&(0,o.default)(this.selected[0]).remove(this.config.selectedClass);var n=this.selected.indexOf(e),i=n>-1;this.config.multiselect?i?this.selected.splice(n,1):this.selected.push(e):this.selected=this.config.allowEmpty&&i&&!this.config.selectOnly?[]:[e],this.cachedOpts.forEach(function(e){e.setAttribute("aria-selected",t.selected.indexOf(e)>-1?"true":"false")});var r=this.selected.length?this.config.selectionValue(this.selected):"";if(i?(e.classList.remove(this.config.selectedClass),this.emit("deselection",{text:r,option:e})):(e.classList.add(this.config.selectedClass),this.emit("selection",{text:r,option:e})),this.freshSelection=!0,this.config.selectOnly?(this.input.innerText=r,this.config.inputElm&&(this.config.inputElm.value=r)):this.input.value=r,this.cachedInputValue=r,this.filter(!0).clearFilters(),this.config.multiselect||(this.closeList(),this.config.selectOnly||this.input.select()),this.selectElm){var s=this.value(),u=!0,c=!1,a=void 0;try{for(var l,f=this.selectElm.options[Symbol.iterator]();!(u=(l=f.next()).done);u=!0){var h=l.value;this.config.multiselect?h.selected=-1!==s.indexOf(h.value):h.selected=h.value===s}}catch(t){c=!0,a=t}finally{try{!u&&f.return&&f.return()}finally{if(c)throw a}}}return this}}},{key:"reset",value:function(){var t=this;return this.clearFilters(),this.input.value="",this.updateOpts(),this.input.removeAttribute("aria-activedescendant"),this.input.removeAttribute("data-active-option"),this.currentOption=null,this.selected=[],this.cachedOpts.forEach(function(e){(0,o.default)(e).remove(t.config.selectedClass),(0,o.default)(e).remove(t.config.activeClass),e.setAttribute("aria-selected","false")}),this.searchString="",this}},{key:"goTo",value:function(t,e){var n=this;if("string"==typeof t){var i=this.getOptIndex();return this.goTo("next"===t?i+1:i-1,e)}var r=this.currentOpts[t],o=!1;if(!this.currentOpts[t])return 0===this.getOptIndex()&&(this.list.scrollTop=0),this;if(this.groups.length){var s=(0,v.default)(this.groups,r);o=s&&s!==this.currentGroup,this.currentGroup=s}return this.currentOption=r,this.pseudoFocus(o),this.currentOpts.forEach(function(t){t.classList.contains(n.config.activeClass)&&!(0,a.default)(n.list,t)&&(0,c.default)(t)}),this}},{key:"pseudoFocus",value:function(t){var e=this.currentOption,n=this.config.activeClass,i=this.input.getAttribute("data-active-option"),r=i&&document.getElementById(i);return r&&n&&(0,o.default)(r).remove(n),e&&(this.input.setAttribute("data-active-option",e.id),n&&(0,o.default)(e).add(n),this.liveRegion&&(0,O.default)(e,this.config,this.liveRegion.announce.bind(this.liveRegion),t,this.currentGroup&&this.currentGroup.element),this.input.setAttribute("aria-activedescendant",e.id),this.currentOption=e,this.emit("change")),this}},{key:"setOptions",value:function(t){return"object"===(void 0===t?"undefined":i(t))&&this.config.list.append(t),this.cachedOpts.push(t),-1===this.currentOpts.indexOf(t)&&this.currentOpts.push(t),this}},{key:"setCurrentOptions",value:function(){return this.currentOption=this.currentOpts[0],this}},{key:"updateSelectedOptions",value:function(){var t=this,e=document.getElementById(this.config.list.id),n=this.selected;for(this.emptyDropdownList();e.hasChildNodes();)e.removeChild(e.firstChild);return n.length>0&&n.forEach(function(e){t.setOptions(e)}),this}},{key:"emptyDropdownList",value:function(){return this.currentOpts=[],this.cachedOpts=[],this.optionsWithEventHandlers.clear(),this}},{key:"setNoResultFound",value:function(){(0,g.default)(this.list,this.currentOpts,this.config.noResultsText)}},{key:"value",value:function(){var t=[];return this.selected.forEach(function(e){e.hasAttribute("data-value")?t.push(e.dataset.value):t.push(e.innerText)}),this.config.multiselect?t:t&&t.length?t[0]:null}},{key:"transformSelectElement",value:function(t){var e=this,n=document.createElement("div");n.className=this.config.wrapClass,n.id=t.id+"-combobo",t.multiple&&n.classList.add("multiselect");var i=this.config.selectOnly?"div":"input",r=document.createElement(i);r.setAttribute("tabindex","0"),r.type="text",r.className=this.config.inputClass,r.id=t.id+"-input",n.appendChild(r);var o=document.createElement("span");o.setAttribute("aria-hidden","true"),o.className=this.config.toggleButtonClass,n.appendChild(o);var s=document.createElement("div");s.className=this.config.listClass,n.appendChild(s);var u=!1;return Array.from(t.children).forEach(function(t){if("optgroup"===t.tagName.toLowerCase()){u=!0;var n=document.createElement("div");n.className=e.config.optgroupClass,n.setAttribute("role","group");var i=(0,x.default)();n.setAttribute("aria-labelledby",i);var r=document.createElement("div");r.className=e.config.optgroupLabelClass,r.id=i,r.textContent=t.label,n.appendChild(r),Array.from(t.children).forEach(function(t){var i={text:t.textContent,value:t.value,selected:t.hasAttribute("selected"),disabled:t.hasAttribute("disabled")};n.appendChild(e.createOptionElement(i.text,i.value,i.selected,i.disabled))}),s.appendChild(n)}else{var o={text:t.textContent,value:t.value,selected:t.hasAttribute("selected"),disabled:t.hasAttribute("disabled")};s.appendChild(e.createOptionElement(o.text,o.value,o.selected,o.disabled))}}),u&&n.classList.add("has-groups"),{comboElement:n,input:r}}},{key:"createOptionElement",value:function(t,e,n,i){var r=document.createElement("div");return r.className=this.config.optionsClass,r.textContent=t,r.dataset.value=e,n&&r.classList.add(this.config.selectedClass),i&&r.classList.add("disabled"),r}},{key:"createOptgroupElement",value:function(t){var e=document.createElement("div");e.className=this.config.optgroupClass,e.setAttribute("role","group");var n=(0,x.default)();e.setAttribute("aria-labelledby",n);var i=document.createElement("div");return i.className=this.config.optgroupLabelClass,i.id=n,i.textContent=t,e.appendChild(i),e}}]),t}()},function(t,e){t.exports=function(t,e){if(t.indexOf)return t.indexOf(e);for(var n=0;n<t.length;++n)if(t[n]===e)return 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i=n.createOptionElement(t.text,t.value,t.selected,t.disabled);e.appendChild(i),n.currentOpts.push(i)}),n.list.appendChild(e)}else{var i=n.createOptionElement(t.text,t.value,t.selected,t.disabled);n.list.appendChild(i),n.currentOpts.push(i)}}),this.cachedOpts=this.currentOpts}else this.cachedOpts=this.currentOpts=(0,d.default)(this.config.options,!0,this.list);if(this.config.groups){var s=(0,d.default)(this.config.groups,!0,this.list);this.groups=s.map(function(t){return{element:t,options:n.cachedOpts.filter(function(e){return t.contains(e)})}})}(0,m.default)(this.input,this.list,this.cachedOpts),this.config.useLiveRegion&&(this.liveRegion=new u.default({ariaLive:"assertive"})),this.initEvents();var a=!0,l=!1,c=void 0;try{for(var f,h=this.currentOpts[Symbol.iterator]();!(a=(f=h.next()).done);a=!0){var p=f.value;p.classList.contains(this.config.selectedClass)&&(this.currentOption=p,this.select())}}catch(t){l=!0,c=t}finally{try{!a&&h.return&&h.return()}finally{if(l)throw c}}}return r(t,[{key:"reassignLabel",value:function(t,e){if(t.labels.length){t.labels[0].htmlFor=e}else{var n=t.previousElementSibling;n&&"label"===n.tagName.toLowerCase()&&(n.htmlFor=e)}}},{key:"initEvents",value:function(){var t=this;(0,s.default)(this),this.optionsWithKeyEventHandlers.has(this.input)||(this.input.addEventListener("click",function(){t.openList().goTo(t.getOptIndex()||0)}),this.input.addEventListener("blur",function(){t.isHovering||t.closeList()}),this.input.addEventListener("focus",function(){t.selected.length&&(t.input.value=t.selected.length>=2?"":t.config.selectionValue(t.selected)),t.config.selectOnly||t.input.select()}),this.toggleButton&&this.toggleButton.addEventListener("click",function(e){e.stopPropagation(),t.isOpen?t.closeList():t.openList()}),document.addEventListener("click",function(e){!(0,p.default)(e.target,[t.input,t.list],!0)&&t.isOpen&&t.closeList()})),this.optionEvents(),this.initKeys()}},{key:"getOptIndex",value:function(){return this.currentOption&&this.currentOpts.indexOf(this.currentOption)}},{key:"optionEvents",value:function(){var t=this;this.cachedOpts.forEach(function(e){t.optionsWithEventHandlers.has(e.id)||t.selected.includes(e)||(e.addEventListener("click",function(){t.goTo(t.currentOpts.indexOf(e)).select()}),e.addEventListener("mouseover",function(){var n=t.currentOption;n&&(0,o.default)(n).remove(t.config.activeClass),(0,o.default)(e).add(t.config.activeClass),t.isHovering=!0}),e.addEventListener("mouseout",function(){(0,o.default)(e).remove(t.config.activeClass),t.isHovering=!1}),t.optionsWithEventHandlers.add(e.id))})}},{key:"openList",value:function(){(0,o.default)(this.list).add(this.config.openClass),this.input.setAttribute("aria-expanded","true"),this.isOpen||this.announceCount(),this.isOpen=!0,this.emit("list:open");var t=(0,c.default)(this.list);if(!t.visible){var e="bottom"===t.position?0-(window.innerHeight-(this.input.clientHeight+this.list.clientHeight)):0;(0,a.default)({element:this.input,offset:e,bezier:[.19,1,.22,1],duration:100})}return this}},{key:"closeList",value:function(t,e){return(0,o.default)(this.list).remove(this.config.openClass),this.input.setAttribute("aria-expanded","false"),this.isOpen=!1,t&&this.input.focus(),!this.multiselect&&this.selected.length&&(this.input.value=this.config.selectionValue(this.selected)),e&&!this.config.selectOnly&&this.input.select(),this.emit("list:close"),this}},{key:"getSearchString",value:function(t){var e=this;return t?("number"==typeof this.searchTimeout&&window.clearTimeout(this.searchTimeout),this.searchTimeout=window.setTimeout(function(){e.searchString=""},this.config.selectSearchTimeout),this.searchString=this.searchString?this.searchString+t:t,this.searchString.toLowerCase()):this.searchString}},{key:"initKeys",value:function(){var t=this;if(!this.optionsWithKeyEventHandlers.has(this.input)){this.optionsWithKeyEventHandlers.add(this.input),h.default.down(this.input,[{keys:["up","down"],callback:function(e,n){if(t.isOpen)return-1===t.currentOpts.indexOf(t.currentOption)?t.goTo(0,!0):t.goTo("down"===n?"next":"prev",!0);var i=t.selected.length?t.currentOpts.indexOf(t.selected[t.selected.length-1]):0;t.goTo(i,!0).openList()},preventDefault:!0},{keys:["enter"],callback:function(){t.isOpen?t.select():t.openList()}},{keys:["escape"],callback:function(e){t.isOpen&&(e.stopPropagation(),t.closeList(!0,!0))}},{keys:["backspace"],callback:function(){t.selected.length>=2&&(t.input.value="")}}]),h.default.down(window,function(e){" "===e.key&&e.target===t.input&&(t.config.selectOnly&&(e.preventDefault(),e.stopPropagation()),t.isOpen||t.openList())}),h.default.down(this.input,function(e){var n=e.key,i=e.metaKey,r=e.ctrlKey,o=e.altKey;i||r||o||n&&[" ","tab","backspace"].includes(n.toLowerCase())&&t.isOpen&&(e.preventDefault(),e.stopPropagation(),t.select(),t.closeList())}),this.config.selectOnly&&(h.default.up(this.input,function(e){var n=e.key,i=e.altKey,r=e.ctrlKey,o=e.metaKey;if(new Array(26).fill(1).map(function(t,e){return String.fromCharCode("a".charCodeAt(0)+e)}).includes(n)&&" "!==n&&!i&&!r&&!o){e.preventDefault(),e.stopPropagation();var s=t.getSearchString(n);t.isOpen||t.openList();var u=t.searchIndex(s);u>-1&&t.goTo(u)}}),this.input.addEventListener("blur",function(){t.searchString="",t.selected.length&&(t.input.innerText=t.config.selectionValue(t.selected))}));var e=[9,13,27,16];h.default.up(this.input,function(n){if(t.autoFilter){var i=t.config.filter,r=t.cachedInputValue;e.indexOf(n.which)>-1||!i||"div"===t.input.tagName.toLowerCase()||(t.freshSelection?(t.clearFilters(),r&&r.trim()!==t.input.value.trim()&&(t.filter().openList(),t.freshSelection=!1)):t.filter().openList(),(0,g.default)(t.list,t.currentOpts,t.config.noResultsText))}})}}},{key:"searchIndex",value:function(t){var e=this.getOptIndex(),n=t.trim(),i=n[0],r=n===i.repeat(n.length)&&n.length>1,o=this.currentOpts.filter(function(t){return t.textContent.toLowerCase().startsWith(r?i:n)});if(0===o.length)return-1;if(1===o.length)return this.currentOpts.indexOf(o[0]);if(-1===e)return this.currentOpts.indexOf(o[0]);var s=o.indexOf(this.currentOption);return r&&o.length>1?this.currentOpts.indexOf(o[s+1]||o[0]):-1!==s&&s<o.length-1?this.currentOpts.indexOf(o[0]):this.currentOpts.indexOf(o[s+1]||o[0])}},{key:"clearFilters",value:function(){return this.cachedOpts.forEach(function(t){return t.style.display=""}),this.groups.forEach(function(t){return t.element.style.display=""}),this.currentOpts=this.cachedOpts,this}},{key:"filter",value:function(t,e){var n=this;e||(e=this.config.selectOnly?this.input.innerText:this.input.value);var i=this.config.filter,r=this.currentOpts;return this.currentOpts="function"==typeof i?i(e.trim(),this.cachedOpts):f.default[i](e.trim(),this.cachedOpts),this.currentOpts=this.currentOpts||[],this.updateOpts(),r.every(function(t){return n.currentOpts.indexOf(t)>-1})||t||this.announceCount(),this}},{key:"announceCount",value:function(){var t=this.config.announcement&&this.config.announcement.count;return t&&this.liveRegion&&this.liveRegion.announce(t(this.currentOpts.length),500),this}},{key:"updateOpts",value:function(){var t=this,e=this.config.optionValue;return this.cachedOpts.forEach(function(n){n.style.display=-1===t.currentOpts.indexOf(n)?"none":"",n.innerHTML="string"==typeof e?(0,y.default)(n,"div"===t.input.tagName.toLowerCase()?t.getSearchString():t.input.value,e):e(n)}),this.updateGroups(),this}},{key:"updateGroups",value:function(){return this.groups.forEach(function(t){var e=t.options.filter(function(t){return""===t.style.display});t.element.style.display=e.length?"":"none"}),this}},{key:"select",value:function(){var t=this,e=this.currentOption;if(e){!this.config.multiselect&&this.selected.length&&(0,o.default)(this.selected[0]).remove(this.config.selectedClass);var n=this.selected.indexOf(e),i=n>-1;this.config.multiselect?i?this.selected.splice(n,1):this.selected.push(e):this.selected=this.config.allowEmpty&&i&&!this.config.selectOnly?[]:[e],this.cachedOpts.forEach(function(e){e.setAttribute("aria-selected",t.selected.indexOf(e)>-1?"true":"false")});var r=this.selected.length?this.config.selectionValue(this.selected):"";if(i?(e.classList.remove(this.config.selectedClass),this.emit("deselection",{text:r,option:e})):(e.classList.add(this.config.selectedClass),this.emit("selection",{text:r,option:e})),this.freshSelection=!0,this.config.selectOnly?(this.input.innerText=r,this.config.inputElm&&(this.config.inputElm.value=r)):this.input.value=r,this.cachedInputValue=r,this.filter(!0).clearFilters(),this.config.multiselect||(this.closeList(),this.config.selectOnly||this.input.select()),this.selectElm){var s=this.value(),u=!0,a=!1,l=void 0;try{for(var c,f=this.selectElm.options[Symbol.iterator]();!(u=(c=f.next()).done);u=!0){var h=c.value;this.config.multiselect?h.selected=-1!==s.indexOf(h.value):h.selected=h.value===s}}catch(t){a=!0,l=t}finally{try{!u&&f.return&&f.return()}finally{if(a)throw l}}}return this}}},{key:"reset",value:function(){var t=this;return this.clearFilters(),this.input.value="",this.updateOpts(),this.input.removeAttribute("aria-activedescendant"),this.input.removeAttribute("data-active-option"),this.currentOption=null,this.selected=[],this.cachedOpts.forEach(function(e){(0,o.default)(e).remove(t.config.selectedClass),(0,o.default)(e).remove(t.config.activeClass),e.setAttribute("aria-selected","false")}),this.searchString="",this}},{key:"goTo",value:function(t,e){var n=this;if("string"==typeof t){var i=this.getOptIndex();return this.goTo("next"===t?i+1:i-1,e)}var r=this.currentOpts[t],o=!1;if(!this.currentOpts[t])return 0===this.getOptIndex()&&(this.list.scrollTop=0),this;if(this.groups.length){var s=(0,v.default)(this.groups,r);o=s&&s!==this.currentGroup,this.currentGroup=s}return this.currentOption=r,this.pseudoFocus(o),this.currentOpts.forEach(function(t){t.classList.contains(n.config.activeClass)&&!(0,l.default)(n.list,t)&&(0,a.default)(t)}),this}},{key:"pseudoFocus",value:function(t){var e=this.currentOption,n=this.config.activeClass,i=this.input.getAttribute("data-active-option"),r=i&&document.getElementById(i);return r&&n&&(0,o.default)(r).remove(n),e&&(this.input.setAttribute("data-active-option",e.id),n&&(0,o.default)(e).add(n),this.liveRegion&&(0,O.default)(e,this.config,this.liveRegion.announce.bind(this.liveRegion),t,this.currentGroup&&this.currentGroup.element),this.input.setAttribute("aria-activedescendant",e.id),this.currentOption=e,this.emit("change")),this}},{key:"setOptions",value:function(t){return"object"===(void 0===t?"undefined":i(t))&&this.config.list.append(t),this.cachedOpts.push(t),-1===this.currentOpts.indexOf(t)&&this.currentOpts.push(t),this}},{key:"setCurrentOptions",value:function(){return this.currentOption=this.currentOpts[0],this}},{key:"updateSelectedOptions",value:function(){var t=this,e=document.getElementById(this.config.list.id),n=this.selected;for(this.emptyDropdownList();e.hasChildNodes();)e.removeChild(e.firstChild);return n.length>0&&n.forEach(function(e){t.setOptions(e)}),this}},{key:"emptyDropdownList",value:function(){return this.currentOpts=[],this.cachedOpts=[],this.optionsWithEventHandlers.clear(),this}},{key:"setNoResultFound",value:function(){(0,g.default)(this.list,this.currentOpts,this.config.noResultsText)}},{key:"value",value:function(){var t=[];return this.selected.forEach(function(e){e.hasAttribute("data-value")?t.push(e.dataset.value):t.push(e.innerText)}),this.config.multiselect?t:t&&t.length?t[0]:null}},{key:"transformSelectElement",value:function(t){var e=this,n=document.createElement("div");n.className=this.config.wrapClass,n.id=t.id+"-combobo",t.multiple&&n.classList.add("multiselect");var i=this.config.selectOnly?"div":"input",r=document.createElement(i);r.setAttribute("tabindex","0"),r.type="text",r.className=this.config.inputClass,r.id=t.id+"-input",n.appendChild(r),this.reassignLabel(t,r.id);var o=document.createElement("span");o.setAttribute("aria-hidden","true"),o.className=this.config.toggleButtonClass,n.appendChild(o);var s=document.createElement("div");s.className=this.config.listClass,n.appendChild(s);var u=!1;return Array.from(t.children).forEach(function(t){if("optgroup"===t.tagName.toLowerCase()){u=!0;var n=document.createElement("div");n.className=e.config.optgroupClass,n.setAttribute("role","group");var i=(0,x.default)();n.setAttribute("aria-labelledby",i);var r=document.createElement("div");r.className=e.config.optgroupLabelClass,r.id=i,r.textContent=t.label,n.appendChild(r),Array.from(t.children).forEach(function(t){var i={text:t.textContent,value:t.value,selected:t.hasAttribute("selected"),disabled:t.hasAttribute("disabled")};n.appendChild(e.createOptionElement(i.text,i.value,i.selected,i.disabled))}),s.appendChild(n)}else{var o={text:t.textContent,value:t.value,selected:t.hasAttribute("selected"),disabled:t.hasAttribute("disabled")};s.appendChild(e.createOptionElement(o.text,o.value,o.selected,o.disabled))}}),u&&n.classList.add("has-groups"),{comboElement:n,input:r}}},{key:"createOptionElement",value:function(t,e,n,i){var r=document.createElement("div");return r.className=this.config.optionsClass,r.textContent=t,r.dataset.value=e,n&&r.classList.add(this.config.selectedClass),i&&r.classList.add("disabled"),r}},{key:"createOptgroupElement",value:function(t){var e=document.createElement("div");e.className=this.config.optgroupClass,e.setAttribute("role","group");var n=(0,x.default)();e.setAttribute("aria-labelledby",n);var i=document.createElement("div");return i.className=this.config.optgroupLabelClass,i.id=n,i.textContent=t,e.appendChild(i),e}}]),t}()},function(t,e){t.exports=function(t,e){if(t.indexOf)return t.indexOf(e);for(var n=0;n<t.length;++n)if(t[n]===e)return n;return-1}},function(t,e){(e=t.exports=function(t){return t.replace(/^\s*|\s*$/g,"")}).left=function(t){return t.replace(/^\s*/,"")},e.right=function(t){return t.replace(/\s*$/,"")}},function(t,e,n){function i(t){if(t)return function(t){for(var e in i.prototype)t[e]=i.prototype[e];return t}(t)}t.exports=i,i.prototype.on=i.prototype.addEventListener=function(t,e){return this._callbacks=this._callbacks||{},(this._callbacks["$"+t]=this._callbacks["$"+t]||[]).push(e),this},i.prototype.once=function(t,e){function n(){this.off(t,n),e.apply(this,arguments)}return n.fn=e,this.on(t,n),this},i.prototype.off=i.prototype.removeListener=i.prototype.removeAllListeners=i.prototype.removeEventListener=function(t,e){if(this._callbacks=this._callbacks||{},0==arguments.length)return this._callbacks={},this;var n,i=this._callbacks["$"+t];if(!i)return this;if(1==arguments.length)return delete this._callbacks["$"+t],this;for(var r=0;r<i.length;r++)if((n=i[r])===e||n.fn===e){i.splice(r,1);break}return 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diff --git a/index.js b/index.js
index e8bed20..c81982d 100644
--- a/index.js
+++ b/index.js
@@ -88,6 +88,9 @@ module.exports = class Combobo {
               inputDivEl.setAttribute('tabindex', '0');
               inputDivEl.id = `${input.id}-combobo`; // Prevent duplicate IDs with hidden <input>
 
+              // Rewrite the label's `for` attribute to match the new combobox <div>'s ID
+              this.reassignLabel(input, inputDivEl.id);
+
               input = inputDivEl;
             }
           }
@@ -203,6 +206,31 @@ module.exports = class Combobo {
     
   }
 
+  /**
+   * Reassign the label when the original combobox markup has been transformed. This will always
+   * happen for <select> elements, but may also happen for <input> elements if the `selectOnly`
+   * option is enabled.
+   *
+   * If there is a paired <label> element whose `for` matches the `id` of the original
+   * input element, it will be reassigned to the new combobox element. Otherwise, if a <label> is a
+   * previous sibling of the original input element, the `for` attribute will be added and
+   * referenced to the new combobox element.
+   *
+   * @param {*} el The <input> or <select> element
+   * @param {*} id The ID of the newly-created or transformed combobox
+   */
+  reassignLabel(el, id) {
+    if (el.labels.length) {
+      const label = el.labels[0];
+      label.htmlFor = id;
+    } else {
+      const prevEl = el.previousElementSibling;
+      if (prevEl && prevEl.tagName.toLowerCase() === 'label') {
+        prevEl.htmlFor = id;
+      }
+    }
+  }
+
   initEvents() {
     Emitter(this);
     if (!this.optionsWithKeyEventHandlers.has(this.input)) {
@@ -840,7 +868,11 @@ module.exports = class Combobo {
     input.className = this.config.inputClass;
     input.id = `${selectElement.id}-input`;
     comboElement.appendChild(input);
-  
+
+    // Rewrite the label's `for` attribute to match the new input's ID (necessary because the
+    // <select> element gets hidden).
+    this.reassignLabel(selectElement, input.id);
+
     // Create the toggle button
     const toggleButton = document.createElement('span');
     toggleButton.setAttribute('aria-hidden', 'true');
diff --git a/package-lock.json b/package-lock.json
index 57c154f..0f25f05 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,6 +22,7 @@
         "extend-shallow": "^2.0.1",
         "live-region": "^1.0.0",
         "mochify": "^3.3.0",
+        "phantomjs": "^2.1.7",
         "proxyquire": "^1.8.0",
         "proxyquire-universal": "^1.0.8",
         "proxyquireify": "^3.2.1",
@@ -315,6 +316,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/asn1": {
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
+      "integrity": "sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==",
+      "dev": true,
+      "dependencies": {
+        "safer-buffer": "~2.1.0"
+      }
+    },
     "node_modules/asn1.js": {
       "version": "4.10.1",
       "resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-4.10.1.tgz",
@@ -335,6 +345,15 @@
         "util": "0.10.3"
       }
     },
+    "node_modules/assert-plus": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz",
+      "integrity": "sha512-u1L0ZLywRziOVjUhRxI0Qg9G+4RnFB9H/Rq40YWn0dieDgO7vAYeJz6jKAO6t/aruzlDFLAPkQTT87e+f8Imaw==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/assertion-error": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
@@ -389,6 +408,15 @@
         "node": ">= 0.4.0"
       }
     },
+    "node_modules/aws-sign2": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.6.0.tgz",
+      "integrity": "sha512-JnJpAS0p9RmixkOvW2XwDxxzs1bd4/VAGIl6Q0EC5YOo+p+hqIhtDhn/nmFnB/xUNXbLkpE2mOjgVIBRKD4xYw==",
+      "dev": true,
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/babel-code-frame": {
       "version": "6.26.0",
       "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
@@ -1143,6 +1171,15 @@
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       "dev": true
     },
+    "node_modules/bcrypt-pbkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha512-qeFIXtP4MSoi6NLqO12WfqARWWuCKi2Rn/9hJLEmtB5yTNr9DqFWkJRCf2qShWzPeAMRnOgCrq0sg/KLv5ES9w==",
+      "dev": true,
+      "dependencies": {
+        "tweetnacl": "^0.14.3"
+      }
+    },
     "node_modules/bezier-easing": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/bezier-easing/-/bezier-easing-2.0.3.tgz",
@@ -1167,6 +1204,41 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/bl": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-1.0.3.tgz",
+      "integrity": "sha512-phbvN+yOk05EGoFcV/0S8N8ShnJqf6VCWRAw5he2gvRwBubFt/OzmcTNGqBt5b7Y4RK3YCgf6jrgGSR0Cwtsgw==",
+      "dev": true,
+      "dependencies": {
+        "readable-stream": "~2.0.5"
+      }
+    },
+    "node_modules/bl/node_modules/process-nextick-args": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-1.0.7.tgz",
+      "integrity": "sha512-yN0WQmuCX63LP/TMvAg31nvT6m4vDqJEiiv2CAZqWOGNWutc9DfDk1NPYYmKUFmaVM2UwDowH4u5AHWYP/jxKw==",
+      "dev": true
+    },
+    "node_modules/bl/node_modules/readable-stream": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz",
+      "integrity": "sha512-TXcFfb63BQe1+ySzsHZI/5v1aJPCShfqvWJ64ayNImXMsN1Cd0YGk/wm8KB7/OeessgPc9QvS9Zou8QTkFzsLw==",
+      "dev": true,
+      "dependencies": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.1",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~1.0.6",
+        "string_decoder": "~0.10.x",
+        "util-deprecate": "~1.0.1"
+      }
+    },
+    "node_modules/bl/node_modules/string_decoder": {
+      "version": "0.10.31",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
+      "integrity": "sha512-ev2QzSzWPYmy9GuqfIVildA4OdcGLeFZQrq5ys6RtiuF+RQQiZWr8TZNyAcuVXyQRYfEO+MsoB/1BuQVhOJuoQ==",
+      "dev": true
+    },
     "node_modules/bluebird": {
       "version": "3.5.1",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.1.tgz",
@@ -1179,6 +1251,19 @@
       "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
       "dev": true
     },
+    "node_modules/boom": {
+      "version": "2.10.1",
+      "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz",
+      "integrity": "sha512-KbiZEa9/vofNcVJXGwdWWn25reQ3V3dHBWbS07FTF3/TOehLnm9GEhJV4T6ZvGPkShRpmUqYwnaCrkj0mRnP6Q==",
+      "deprecated": "This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).",
+      "dev": true,
+      "dependencies": {
+        "hoek": "2.x.x"
+      },
+      "engines": {
+        "node": ">=0.10.40"
+      }
+    },
     "node_modules/brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -1550,6 +1635,12 @@
       "integrity": "sha512-j+l55ayQ9BO4Sy9iVfbf99+G+4ddAmkXoiEt73WCW4vJ83usrlHzDkFEnNXe5/swkVqE7YBm5i8M2uRXlx9vWg==",
       "dev": true
     },
+    "node_modules/caseless": {
+      "version": "0.11.0",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.11.0.tgz",
+      "integrity": "sha512-ODLXH644w9C2fMPAm7bMDQ3GRvipZWZfKc+8As6hIadRIelE0n0xZuN38NS6kiK3KPEVrpymmQD8bvncAHWQkQ==",
+      "dev": true
+    },
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@@ -5327,6 +5836,15 @@
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@@ -5700,6 +6218,27 @@
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+      "deprecated": "Use uuid module instead",
+      "dev": true,
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@@ -6259,6 +6808,15 @@
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+      "resolved": "https://registry.npmjs.org/qs/-/qs-5.2.1.tgz",
+      "integrity": "sha512-sh/hmLUTLEiYFhSbRvkM4zj6fMWnbqQt9wrppR2LJA/U/u4xS2eWN8LBE1xc79ExYZJBVZYSMBv/INC7wpE+fw==",
+      "dev": true,
+      "engines": ">=0.10.40"
+    },
     "node_modules/querystring": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/querystring/-/querystring-0.2.0.tgz",
@@ -7405,6 +8009,47 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/request": {
+      "version": "2.67.0",
+      "resolved": "https://registry.npmjs.org/request/-/request-2.67.0.tgz",
+      "integrity": "sha512-fzMRDWVEdMktE3foqvL4CBmC+AR8WvcP8pIPx6JSqqhWuPr+BxX9tKx4XiijfyeKtqqRMNpHDWqFMw4JlRPIJg==",
+      "deprecated": "request has been deprecated, see https://github.com/request/request/issues/3142",
+      "dev": true,
+      "dependencies": {
+        "aws-sign2": "~0.6.0",
+        "bl": "~1.0.0",
+        "caseless": "~0.11.0",
+        "combined-stream": "~1.0.5",
+        "extend": "~3.0.0",
+        "forever-agent": "~0.6.1",
+        "form-data": "~1.0.0-rc3",
+        "har-validator": "~2.0.2",
+        "hawk": "~3.1.0",
+        "http-signature": "~1.1.0",
+        "is-typedarray": "~1.0.0",
+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.7",
+        "node-uuid": "~1.4.7",
+        "oauth-sign": "~0.8.0",
+        "qs": "~5.2.0",
+        "stringstream": "~0.0.4",
+        "tough-cookie": "~2.2.0",
+        "tunnel-agent": "~0.4.1"
+      },
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
+    "node_modules/request-progress": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/request-progress/-/request-progress-2.0.1.tgz",
+      "integrity": "sha512-dxdraeZVUNEn9AvLrxkgB2k6buTlym71dJk1fk4v8j3Ou3RKNm07BcgbHdj2lLgYGfqX71F+awb1MR+tWPFJzA==",
+      "dev": true,
+      "dependencies": {
+        "throttleit": "^1.0.0"
+      }
+    },
     "node_modules/require-deps": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/require-deps/-/require-deps-1.0.1.tgz",
@@ -7565,6 +8210,12 @@
         "ret": "~0.1.10"
       }
     },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "dev": true
+    },
     "node_modules/saucelabs": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/saucelabs/-/saucelabs-1.4.0.tgz",
@@ -7942,6 +8593,19 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/sntp": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/sntp/-/sntp-1.0.9.tgz",
+      "integrity": "sha512-7bgVOAnPj3XjrKY577S+puCKGCRlUrcrEdsMeRXlg9Ghf5df/xNi6sONUa43WrHUd3TjJBF7O04jYoiY0FVa0A==",
+      "deprecated": "This module moved to @hapi/sntp. Please make sure to switch over as this distribution is no longer supported and may contain bugs and critical security issues.",
+      "dev": true,
+      "dependencies": {
+        "hoek": "2.x.x"
+      },
+      "engines": {
+        "node": ">=0.8.0"
+      }
+    },
     "node_modules/source-list-map": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/source-list-map/-/source-list-map-2.0.0.tgz",
@@ -8130,6 +8794,40 @@
       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
       "dev": true
     },
+    "node_modules/sshpk": {
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.18.0.tgz",
+      "integrity": "sha512-2p2KJZTSqQ/I3+HX42EpYOa2l3f8Erv8MWKsy2I9uf4wA7yFIkXRffYdsx86y6z4vHtV8u7g+pPlr8/4ouAxsQ==",
+      "dev": true,
+      "dependencies": {
+        "asn1": "~0.2.3",
+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.0.2",
+        "tweetnacl": "~0.14.0"
+      },
+      "bin": {
+        "sshpk-conv": "bin/sshpk-conv",
+        "sshpk-sign": "bin/sshpk-sign",
+        "sshpk-verify": "bin/sshpk-verify"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
+    "node_modules/sshpk/node_modules/assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/ssri": {
       "version": "5.2.4",
       "resolved": "https://registry.npmjs.org/ssri/-/ssri-5.2.4.tgz",
@@ -8332,6 +9030,12 @@
         "node": ">=4.0.0"
       }
     },
+    "node_modules/stringstream": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.6.tgz",
+      "integrity": "sha512-87GEBAkegbBcweToUrdzf3eLhWNg06FJTebl4BVJz/JgWy8CvEr9dRtX5qWphiynMSQlxxi+QqN0z5T32SLlhA==",
+      "dev": true
+    },
     "node_modules/strip-ansi": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
@@ -8476,6 +9180,15 @@
       "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=",
       "dev": true
     },
+    "node_modules/throttleit": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/throttleit/-/throttleit-1.0.1.tgz",
+      "integrity": "sha512-vDZpf9Chs9mAdfY046mcPt8fg5QSZr37hEH4TXYBnDF+izxgrbRGUAAaBvIk/fJm9aOFCGFd1EsNg5AZCbnQCQ==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/through": {
       "version": "2.3.8",
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
@@ -8596,6 +9309,16 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/tough-cookie": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.2.2.tgz",
+      "integrity": "sha512-Knz9Yr0hlBoWQgUKzOIvRg5adinizAf49i2gHRhj6cLjlM304zRw7uyiY22ADniDxnPHXfIeyQD0EAkgpIz0ow==",
+      "deprecated": "ReDoS vulnerability parsing Set-Cookie https://nodesecurity.io/advisories/130",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/transformify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/transformify/-/transformify-0.1.2.tgz",
@@ -8651,6 +9374,21 @@
       "integrity": "sha512-C3TaO7K81YvjCgQH9Q1S3R3P3BtN3RIM8n+OvX4il1K1zgE8ZhI0op7kClgkxtutIE8hQrcrHBXvIheqKUUCxw==",
       "dev": true
     },
+    "node_modules/tunnel-agent": {
+      "version": "0.4.3",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.4.3.tgz",
+      "integrity": "sha512-e0IoVDWx8SDHc/hwFTqJDQ7CCDTEeGhmcT9jkWJjoGQSpgBz20nAMr80E3Tpk7PatJ1b37DQDgJR3CNSzcMOZQ==",
+      "dev": true,
+      "engines": {
+        "node": "*"
+      }
+    },
+    "node_modules/tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha512-KXXFFdAbFXY4geFIwoyNK+f5Z1b7swfXABfL7HXCmoIWMKU3dmS26672A4EeQtDzLKy7SXmfBu51JolvEKwtGA==",
+      "dev": true
+    },
     "node_modules/type-check": {
       "version": "0.3.2",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
@@ -9071,6 +9809,29 @@
         "spdx-expression-parse": "^3.0.0"
       }
     },
+    "node_modules/verror": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha512-ZZKSmDAEFOijERBLkmYfJ+vmk3w+7hOLYDNkRCuRuMJGEmqYNCNLyBBFwWKVMhfwaEF3WOd0Zlw86U/WC/+nYw==",
+      "dev": true,
+      "engines": [
+        "node >=0.6.0"
+      ],
+      "dependencies": {
+        "assert-plus": "^1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "^1.2.0"
+      }
+    },
+    "node_modules/verror/node_modules/assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha512-NfJ4UzBCcQGLDlQq7nHxH+tv3kyZ0hHQqF5BO6J7tNJeP5do1llPr8dZ8zHonfhAu0PHAdMkSo+8o0wxg9lZWw==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/vm-browserify": {
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/vm-browserify/-/vm-browserify-0.0.4.tgz",
@@ -10046,6 +10807,15 @@
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-3.2.1.tgz",
       "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
       "dev": true
+    },
+    "node_modules/yauzl": {
+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.4.1.tgz",
+      "integrity": "sha512-TXNR2Feu/p/8k5YRy4z45wCUhoncIrZywmRd+xW0IvB3lWTAM7F6wVbeJvRjO0dplQ8oqmJEj/TpJuULBV/hbw==",
+      "dev": true,
+      "dependencies": {
+        "fd-slicer": "~1.0.1"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index 254bdfa..ab81cd7 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "extend-shallow": "^2.0.1",
     "live-region": "^1.0.0",
     "mochify": "^3.3.0",
+    "phantomjs": "^2.1.7",
     "proxyquire": "^1.8.0",
     "proxyquire-universal": "^1.0.8",
     "proxyquireify": "^3.2.1",
diff --git a/test/lib/multipleAttribute.js b/test/lib/multipleAttribute.js
new file mode 100644
index 0000000..cb12e73
--- /dev/null
+++ b/test/lib/multipleAttribute.js
@@ -0,0 +1,49 @@
+'use strict';
+
+const assert = require('chai').assert;
+const Fixture = require('../fixture');
+const queryAll = require('../../lib/utils/select').all;
+const simpleSnippet = require('../snippets/multiple.html');
+const Combobo = require('../../index');
+
+describe('Initializing from select with multiple attribute', () => {
+  let fixture, simpleBox, opts;
+
+  before(() => (fixture = new Fixture()));
+  beforeEach(() => {
+    fixture.create(`${simpleSnippet}`);
+    // The select element has a 'multiple' attribute that overrides the 'multiselect' configuration.
+    // It initializes as a multi-select even if 'multiselect' is set to false.
+    simpleBox = new Combobo({ multiselect: false });
+    opts = queryAll('.combobo option', fixture.element);
+  });
+  afterEach(() => fixture.destroy());
+  after(() => fixture.cleanUp());
+
+  it('should assert the options in the list', () => {
+    const options = opts.map((opt) => opt.innerText);
+    assert.deepEqual(options, ['Red', 'Yellow']);
+  });
+
+  it('should select the first option from the list', () => {
+    simpleBox.goTo(simpleBox.getOptIndex() + 0).select();
+    const expectedValue = 'Red';
+
+    assert.equal(
+      simpleBox.value(),
+      expectedValue,
+      `Selected value should be '${expectedValue}'`
+    );
+  });
+
+  it('should select the second option from the list', () => {
+    simpleBox.goTo(simpleBox.getOptIndex() + 1).select();
+    const expectedValue = 'Yellow';
+
+    assert.equal(
+      simpleBox.value(),
+      expectedValue,
+      `Selected value should be '${expectedValue}'`
+    );
+  });
+});
diff --git a/test/snippets/multiple.html b/test/snippets/multiple.html
new file mode 100644
index 0000000..c7abd6f
--- /dev/null
+++ b/test/snippets/multiple.html
@@ -0,0 +1,12 @@
+<section class="bands">
+  <div class="wrp">
+    <select
+      class="combobo"
+      multiple
+    >
+      <option>Red</option>
+      <option>Yellow</option>
+    </select>
+  </div>
+  <button type="button">Submit</button>
+</section>