Function toArray

vue.js:316–324

* Convert an Array-like object to a real Array. * 将假的数组转换成真的数组

(list, start)

     * 将假的数组转换成真的数组
     */
    function toArray(list, start) {
        start = start || 0;
        var i = list.length - start;
        var ret = new Array(i);
        while (i--) {
            ret[i] = list[i + start];
        }
        return ret
    }

    /**
     * Mix properties into target object.