摘要:
优化后的代码override public function addElement(e:BasicElements):void { var i:int = this.aElements.indexOf(e); //i如果等于-1说明aElements中不含有e if ( i< 0) { this.aElements.push(e); }else { this.aElements.splice(i, 1, e); this.aElements.push(e); } //this.aElements.push(e); } 阅读全文