So siehts ganz gut aus !

node_modules/es5-ext/object/is.js

@@ -0,0 +1,10 @@
+// Implementation credits go to:
+// http://wiki.ecmascript.org/doku.php?id=harmony:egal
+
+"use strict";
+
+var numIsNaN = require("../number/is-nan");
+
+module.exports = function (val1, val2) {
+	return val1 === val2 ? val1 !== 0 || 1 / val1 === 1 / val2 : numIsNaN(val1) && numIsNaN(val2);
+};