var str = "aaa,bbb,ccc"; var arr = str.split(\',\'); //检测是不是数组的实例 console.log(arr instanceof Array);//true 相关文章: 2022-12-23 2021-12-10 2022-12-23 2021-11-29 2021-06-06 2022-12-23 2022-12-23