vue判断路由是否相等

 判断路由是否相等 

diff(obj1, obj2) {
      delete obj1.close;
      delete obj1.tagId;
      delete obj1.title;
      var o1 = obj1 instanceof Object;
      var o2 = obj2 instanceof Object;
      if (!o1 || !o2) {
        /*  判断不是对象  */
        return obj1 === obj2;
      }
 
      if (Object.keys(obj1).length !== Object.keys(obj2).length) {
        return false;
        //Object.keys() 返回一个由对象的自身可枚举属性(key值)组成的数组,例如：数组返回下表：let arr = ["a", "b", "c"];console.log(Object.keys(arr))->0,1,2;
      }
 
      for (var attr in obj1) {
        var t1 = obj1[attr] instanceof Object;
        var t2 = obj2[attr] instanceof Object;
        if (t1 && t2) {
          return this.diff(obj1[attr], obj2[attr]);
        } else if (obj1[attr] !== obj2[attr]) {
          return false;
        }
      }
      return true;
    },