Object.assign polyfill

gistfile1.txt

if(!Object.assign){
  Object.prototype.assign(target)
        var from;
        var keys;
        var to = target;

        for (var s = 1; s < arguments.length; s++) {
            from = arguments[s];
            keys = Object.keys(Object(from));

            for (var i = 0; i < keys.length; i++) {
                to[keys[i]] = from[keys[i]];
            }
        }

        return to;
    };
  }