JS备忘录

         /**
 *删除数组指定下标或指定对象
 */
         Array.prototype.remove = function (obj) {
             for (var i = 0; i < this.length; i++) {
                 var temp = this[i];
                 if (!isNaN(obj)) {
                     temp = i;
                 }
                 if (temp == obj) {
                     for (var j = i; j < this.length; j++) {
                         this[j] = this[j + 1];
                     }
                     this.length = this.length - 1;
                 }
             }
         }