wontfix bugs.ecmascript.org/show_bug.cgi?id=2435

https://github.com/rwaldron/tc39-notes/blob/master/es6/2014-01/jan-28.md
#arrayfrom

Author: Octane

bower.json

@@ -1,7 +1,7 @@
 {
     "name": "jsCore",
     "main": "jscore.js",
-    "version": "0.5.0",
+    "version": "0.5.1",
     "description": "Complex JavaScript polyfill and set of methods",
     "keywords": [
         "browser",

changelog.md

@@ -1,5 +1,9 @@
 #jsCore changelog
 
+##v0.5.1
+
+ - wontfix [bug 2435](https://bugs.ecmascript.org/show_bug.cgi?id=2435)
+
 ##v0.5.0
 
  - removed `.query()` and `.queryAll()` methods ([excluded from the W3C DOM 4 editor's draft](https://github.com/w3c/dom/commit/26355318c1013ea13c9d209665d14d2c13e28827))

src/polyfill/array.js

@@ -1,11 +1,8 @@
 'use strict';
 
+//bugs.ecmascript.org/show_bug.cgi?id=2435
 if (!Array.from) {
     Array.from = function (iterable, func, boundThis) {
-        if (!Object(iterable).length) {
-            //bugs.ecmascript.org/show_bug.cgi?id=2435
-            return [];
-        }
         if (func) {
             return Array.map(iterable, func, boundThis);
         }

src/polyfill/ltie10/ie8/fix/slice.js

@@ -15,19 +15,39 @@ new function () {
         return result;
     }
 
+    function isString(anything) {
+        return '[object String]' == Object.prototype.toString.call(anything);
+    }
+
     try {
         //array methods don't work with array-like DOM-objects in IE8
         Array.slice(document.documentElement.childNodes, 0);
     } catch (error) {
         Array.slice = function (iterable, start, end) {
             var result,
-                length = arguments.length;
-            //NodeList instanceof Object → false in IE8
-            if (Object(iterable) instanceof Object) {
-                result = iterable;
+                length;
+            if (null === iterable) {
+                throw TypeError("can't convert null to object");
+            }
+            if (undefined === iterable) {
+                throw TypeError("can't convert undefined to object");
+            }
+            if (Number.isNaN(iterable)) {
+                return [];
+            }
+            if (isString(iterable)) {
+                result = iterable.split('');
             } else {
+                result = Object(iterable);
+                if (!result.length) {
+                    result.length = 0;
+                }
+            }
+            //NodeList instanceof Object → false in IE8
+            if (!(result instanceof Object)) {
                 result = toArray(iterable);
             }
+            length = arguments.length
             //[1].slice(0, undefined) → [] in IE8
             if (1 == length || 2 == length && 0 == start) {
                 return result == iterable ? slice.call(result, 0) : result;