Merge branch 'master' of https://github.com/iwyg/es5-shim into iwyg

es5-shim.js

@@ -244,14 +244,24 @@ if (!Array.prototype.every) {
 }
 
 // ES5 15.4.4.17
+// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
 if (!Array.prototype.some) {
-    Array.prototype.some = function some(block /*, thisp */) {
-        var thisp = arguments[1];
-        for (var i = 0; i < this.length; i++)
-            if (block.call(thisp, this[i]))
-                return true;
-        return false;
-    };
+	Array.prototype.some = function (fun/*, thisp */) {
+		"use strict";
+
+		if (this === void 0 || this === null) throw new TypeError();
+
+		var t = Object(this);
+		var len = t.length >>> 0;
+		if (typeof fun !== "function") throw new TypeError();
+
+		var thisp = arguments[1];
+		for (var i = 0; i < len; i++) {
+			if (i in t && fun.call(thisp, t[i], i, t)) return true;
+		}
+
+		return false;
+	};
 }
 
 // ES5 15.4.4.21