js对数组的元素分割

不用方法（模拟方法）

<script>
    var arr = ["hi",2,3,true,"hh","hi"];
    var str ="";
    for(var i = 0; i < arr.length; i++){
        str += arr[i] + "|";
    }
 console.log(str);
</script>

 

来源：https://www.cnblogs.com/sandraryan/p/11347570.html