js-数组和字符串转化

Posted 2020-10-20 一轮明月随潮涌

一、数组=>字符串

需要将数组元素用某个字符连接成字符串，示例代码如下：

var arr, str;
arr = new Array(0,1,2,3,4);
str = arr.join("");//str = "01234"

二、字符串=>数组

将字符串按某个字符切割成若干个字符串，并以数组形式返回，示例代码如下：

var str = "i,want,you";
var arr= str.split(",");//arr = array(i,want,you)