Merge pull request #15 from tjmehta/replace-instanceof-object

replace instanceof checks w/ typeof for more robust behavior
tjmehta · Mar 15, 2016 · 7d3035f · 7d3035f
2 parents 6244abf + 2e5336d
commit 7d3035f
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Showing 4 changed files with 4 additions and 4 deletions.
diff --git a/every.js b/every.js
@@ -16,7 +16,7 @@ function every (obj, callback, thisArg) {
   if (Array.isArray(obj)) {
     return obj.every(callback, thisArg)
   }
-  if (!(obj instanceof Object)) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
     throw new TypeError(obj + ' must be an object')
   }
   if (typeof callback !== 'function') {

diff --git a/for-each.js b/for-each.js
@@ -15,7 +15,7 @@ function forEach (obj, callback, thisArg) {
   if (Array.isArray(obj)) {
     return obj.forEach(callback, thisArg)
   }
-  if (!(obj instanceof Object)) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
     throw new TypeError(obj + ' must be an object')
   }
   if (typeof callback !== 'function') {

diff --git a/reduce.js b/reduce.js
@@ -18,7 +18,7 @@ function reduce (obj, callback, initialValue) {
       ? obj.reduce(callback, initialValue)
       : obj.reduce(callback)
   }
-  if (!(obj instanceof Object)) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
     throw new TypeError(obj + ' must be an object')
   }
   if (typeof callback !== 'function') {

diff --git a/some.js b/some.js
@@ -16,7 +16,7 @@ function some (obj, callback, thisArg) {
   if (Array.isArray(obj)) {
     return obj.some(callback, thisArg)
   }
-  if (!(obj instanceof Object)) {
+  if (typeof obj !== 'object' && typeof obj !== 'function') {
     throw new TypeError(obj + ' must be an object')
   }
   if (typeof callback !== 'function') {