diff --git a/.all-contributorsrc b/.all-contributorsrc
index 596d1996..297e8915 100644
--- a/.all-contributorsrc
+++ b/.all-contributorsrc
@@ -158,6 +158,15 @@
       "contributions": [
         "bug"
       ]
+    },
+    {
+      "login": "thumbsupep",
+      "name": "Erica Pramer",
+      "avatar_url": "https://avatars.githubusercontent.com/u/5598732?v=4",
+      "profile": "https://github.com/thumbsupep",
+      "contributions": [
+        "test"
+      ]
     }
   ],
   "contributorsPerLine": 7,
diff --git a/README.md b/README.md
index 2ca04d95..c2c1931d 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # tabbable [![CI](https://github.com/focus-trap/tabbable/workflows/CI/badge.svg?branch=master&event=push)](https://github.com/focus-trap/tabbable/actions?query=workflow:CI+branch:master) [![Codecov](https://img.shields.io/codecov/c/github/focus-trap/tabbable)](https://codecov.io/gh/focus-trap/tabbable) [![license](https://badgen.now.sh/badge/license/MIT)](./LICENSE)
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-14-orange.svg?style=flat-square)](#contributors)
+[![All Contributors](https://img.shields.io/badge/all_contributors-15-orange.svg?style=flat-square)](#contributors)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 Small utility that returns an array of all\* tabbable DOM nodes within a containing node.
@@ -244,22 +244,25 @@ In alphabetical order:
 <table>
   <tbody>
     <tr>
-      <td align="center"><a href="https://github.com/tidychips"><img src="https://avatars2.githubusercontent.com/u/11446636?v=4?s=100" width="100px;" alt="Bryan Murphy"/><br /><sub><b>Bryan Murphy</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Atidychips" title="Bug reports">🐛</a> <a href="https://github.com/focus-trap/tabbable/commits?author=tidychips" title="Code">💻</a></td>
-      <td align="center"><a href="https://github.com/craigkovatch"><img src="https://avatars.githubusercontent.com/u/10970257?v=4?s=100" width="100px;" alt="Craig Kovatch"/><br /><sub><b>Craig Kovatch</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Acraigkovatch" title="Bug reports">🐛</a></td>
-      <td align="center"><a href="https://github.com/DaviDevMod"><img src="https://avatars.githubusercontent.com/u/98312056?v=4?s=100" width="100px;" alt="DaviDevMod"/><br /><sub><b>DaviDevMod</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3ADaviDevMod" title="Bug reports">🐛</a> <a href="https://github.com/focus-trap/tabbable/commits?author=DaviDevMod" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/commits?author=DaviDevMod" title="Tests">⚠️</a> <a href="https://github.com/focus-trap/tabbable/commits?author=DaviDevMod" title="Documentation">📖</a></td>
-      <td align="center"><a href="http://davidtheclark.com/"><img src="https://avatars2.githubusercontent.com/u/628431?v=4?s=100" width="100px;" alt="David Clark"/><br /><sub><b>David Clark</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/commits?author=davidtheclark" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/issues?q=author%3Adavidtheclark" title="Bug reports">🐛</a> <a href="#infra-davidtheclark" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/focus-trap/tabbable/commits?author=davidtheclark" title="Tests">⚠️</a> <a href="https://github.com/focus-trap/tabbable/commits?author=davidtheclark" title="Documentation">📖</a> <a href="#maintenance-davidtheclark" title="Maintenance">🚧</a></td>
-      <td align="center"><a href="https://github.com/features/security"><img src="https://avatars1.githubusercontent.com/u/27347476?v=4?s=100" width="100px;" alt="Dependabot"/><br /><sub><b>Dependabot</b></sub></a><br /><a href="#maintenance-dependabot" title="Maintenance">🚧</a></td>
-      <td align="center"><a href="https://github.com/idoros"><img src="https://avatars1.githubusercontent.com/u/574751?v=4?s=100" width="100px;" alt="Ido Rosenthal"/><br /><sub><b>Ido Rosenthal</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Aidoros" title="Bug reports">🐛</a> <a href="https://github.com/focus-trap/tabbable/commits?author=idoros" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/pulls?q=is%3Apr+reviewed-by%3Aidoros" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/focus-trap/tabbable/commits?author=idoros" title="Tests">⚠️</a></td>
-      <td align="center"><a href="http://www.khamilton.co.uk"><img src="https://avatars1.githubusercontent.com/u/4013283?v=4?s=100" width="100px;" alt="Kristian Hamilton"/><br /><sub><b>Kristian Hamilton</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Akhamiltonuk" title="Bug reports">🐛</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/tidychips"><img src="https://avatars2.githubusercontent.com/u/11446636?v=4?s=100" width="100px;" alt="Bryan Murphy"/><br /><sub><b>Bryan Murphy</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Atidychips" title="Bug reports">🐛</a> <a href="https://github.com/focus-trap/tabbable/commits?author=tidychips" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/craigkovatch"><img src="https://avatars.githubusercontent.com/u/10970257?v=4?s=100" width="100px;" alt="Craig Kovatch"/><br /><sub><b>Craig Kovatch</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Acraigkovatch" title="Bug reports">🐛</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/DaviDevMod"><img src="https://avatars.githubusercontent.com/u/98312056?v=4?s=100" width="100px;" alt="DaviDevMod"/><br /><sub><b>DaviDevMod</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3ADaviDevMod" title="Bug reports">🐛</a> <a href="https://github.com/focus-trap/tabbable/commits?author=DaviDevMod" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/commits?author=DaviDevMod" title="Tests">⚠️</a> <a href="https://github.com/focus-trap/tabbable/commits?author=DaviDevMod" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://davidtheclark.com/"><img src="https://avatars2.githubusercontent.com/u/628431?v=4?s=100" width="100px;" alt="David Clark"/><br /><sub><b>David Clark</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/commits?author=davidtheclark" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/issues?q=author%3Adavidtheclark" title="Bug reports">🐛</a> <a href="#infra-davidtheclark" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/focus-trap/tabbable/commits?author=davidtheclark" title="Tests">⚠️</a> <a href="https://github.com/focus-trap/tabbable/commits?author=davidtheclark" title="Documentation">📖</a> <a href="#maintenance-davidtheclark" title="Maintenance">🚧</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/features/security"><img src="https://avatars1.githubusercontent.com/u/27347476?v=4?s=100" width="100px;" alt="Dependabot"/><br /><sub><b>Dependabot</b></sub></a><br /><a href="#maintenance-dependabot" title="Maintenance">🚧</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/thumbsupep"><img src="https://avatars.githubusercontent.com/u/5598732?v=4?s=100" width="100px;" alt="Erica Pramer"/><br /><sub><b>Erica Pramer</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/commits?author=thumbsupep" title="Tests">⚠️</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/idoros"><img src="https://avatars1.githubusercontent.com/u/574751?v=4?s=100" width="100px;" alt="Ido Rosenthal"/><br /><sub><b>Ido Rosenthal</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Aidoros" title="Bug reports">🐛</a> <a href="https://github.com/focus-trap/tabbable/commits?author=idoros" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/pulls?q=is%3Apr+reviewed-by%3Aidoros" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/focus-trap/tabbable/commits?author=idoros" title="Tests">⚠️</a></td>
     </tr>
     <tr>
-      <td align="center"><a href="https://github.com/les-lim"><img src="https://avatars.githubusercontent.com/u/7660876?v=4?s=100" width="100px;" alt="Les Lim"/><br /><sub><b>Les Lim</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Ales-lim" title="Bug reports">🐛</a></td>
-      <td align="center"><a href="https://github.com/Andarist"><img src="https://avatars2.githubusercontent.com/u/9800850?v=4?s=100" width="100px;" alt="Mateusz Burzyński"/><br /><sub><b>Mateusz Burzyński</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/commits?author=Andarist" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/issues?q=author%3AAndarist" title="Bug reports">🐛</a> <a href="https://github.com/focus-trap/tabbable/commits?author=Andarist" title="Documentation">📖</a></td>
-      <td align="center"><a href="https://github.com/rvsia"><img src="https://avatars.githubusercontent.com/u/32869456?v=4?s=100" width="100px;" alt="Richard Všianský"/><br /><sub><b>Richard Všianský</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/commits?author=rvsia" title="Documentation">📖</a></td>
-      <td align="center"><a href="https://stefancameron.com/"><img src="https://avatars3.githubusercontent.com/u/2855350?v=4?s=100" width="100px;" alt="Stefan Cameron"/><br /><sub><b>Stefan Cameron</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/commits?author=stefcameron" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/issues?q=author%3Astefcameron" title="Bug reports">🐛</a> <a href="#infra-stefcameron" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/focus-trap/tabbable/commits?author=stefcameron" title="Tests">⚠️</a> <a href="https://github.com/focus-trap/tabbable/commits?author=stefcameron" title="Documentation">📖</a> <a href="#maintenance-stefcameron" title="Maintenance">🚧</a></td>
-      <td align="center"><a href="http://tylerhawkins.info/201R/"><img src="https://avatars0.githubusercontent.com/u/13806458?v=4?s=100" width="100px;" alt="Tyler Hawkins"/><br /><sub><b>Tyler Hawkins</b></sub></a><br /><a href="#tool-thawkin3" title="Tools">🔧</a> <a href="https://github.com/focus-trap/tabbable/commits?author=thawkin3" title="Tests">⚠️</a> <a href="#infra-thawkin3" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/focus-trap/tabbable/commits?author=thawkin3" title="Documentation">📖</a></td>
-      <td align="center"><a href="https://github.com/BFrost"><img src="https://avatars.githubusercontent.com/u/3368761?v=4?s=100" width="100px;" alt="bfrost"/><br /><sub><b>bfrost</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3ABFrost" title="Bug reports">🐛</a></td>
-      <td align="center"><a href="https://github.com/pebble2050"><img src="https://avatars1.githubusercontent.com/u/47210889?v=4?s=100" width="100px;" alt="pebble2050"/><br /><sub><b>pebble2050</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Apebble2050" title="Bug reports">🐛</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://www.khamilton.co.uk"><img src="https://avatars1.githubusercontent.com/u/4013283?v=4?s=100" width="100px;" alt="Kristian Hamilton"/><br /><sub><b>Kristian Hamilton</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Akhamiltonuk" title="Bug reports">🐛</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/les-lim"><img src="https://avatars.githubusercontent.com/u/7660876?v=4?s=100" width="100px;" alt="Les Lim"/><br /><sub><b>Les Lim</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Ales-lim" title="Bug reports">🐛</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Andarist"><img src="https://avatars2.githubusercontent.com/u/9800850?v=4?s=100" width="100px;" alt="Mateusz Burzyński"/><br /><sub><b>Mateusz Burzyński</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/commits?author=Andarist" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/issues?q=author%3AAndarist" title="Bug reports">🐛</a> <a href="https://github.com/focus-trap/tabbable/commits?author=Andarist" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/rvsia"><img src="https://avatars.githubusercontent.com/u/32869456?v=4?s=100" width="100px;" alt="Richard Všianský"/><br /><sub><b>Richard Všianský</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/commits?author=rvsia" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://stefancameron.com/"><img src="https://avatars3.githubusercontent.com/u/2855350?v=4?s=100" width="100px;" alt="Stefan Cameron"/><br /><sub><b>Stefan Cameron</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/commits?author=stefcameron" title="Code">💻</a> <a href="https://github.com/focus-trap/tabbable/issues?q=author%3Astefcameron" title="Bug reports">🐛</a> <a href="#infra-stefcameron" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/focus-trap/tabbable/commits?author=stefcameron" title="Tests">⚠️</a> <a href="https://github.com/focus-trap/tabbable/commits?author=stefcameron" title="Documentation">📖</a> <a href="#maintenance-stefcameron" title="Maintenance">🚧</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://tylerhawkins.info/201R/"><img src="https://avatars0.githubusercontent.com/u/13806458?v=4?s=100" width="100px;" alt="Tyler Hawkins"/><br /><sub><b>Tyler Hawkins</b></sub></a><br /><a href="#tool-thawkin3" title="Tools">🔧</a> <a href="https://github.com/focus-trap/tabbable/commits?author=thawkin3" title="Tests">⚠️</a> <a href="#infra-thawkin3" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/focus-trap/tabbable/commits?author=thawkin3" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/BFrost"><img src="https://avatars.githubusercontent.com/u/3368761?v=4?s=100" width="100px;" alt="bfrost"/><br /><sub><b>bfrost</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3ABFrost" title="Bug reports">🐛</a></td>
+    </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/pebble2050"><img src="https://avatars1.githubusercontent.com/u/47210889?v=4?s=100" width="100px;" alt="pebble2050"/><br /><sub><b>pebble2050</b></sub></a><br /><a href="https://github.com/focus-trap/tabbable/issues?q=author%3Apebble2050" title="Bug reports">🐛</a></td>
     </tr>
   </tbody>
 </table>