Function extend

06.Router/basic/js/vue.js:249–256

* Mix properties into target object. * * @param {Object} to * @param {Object} from

(to, from)

   */

  function extend(to, from) {
    var keys = Object.keys(from);
    var i = keys.length;
    while (i--) {
      to[keys[i]] = from[keys[i]];
    }
    return to;
  }

  /**
   * Quick object check - this is primarily used to tell