js截取字符串

Question

页面代码:
 $.ajax({
       url:"receive.action",
       type:"POST",
           
   dataType:"json",
   success: function(data){
      alert(data);
      var arr=new Array();
     alert(data.split(","));
data 的值是: 小小,08:05,你该上学去了  想根据 , 号截止字符串,最后 能根据 arr[0] arr[1] 在拼装字符串.

Answer 1

success: function(data){
var arr=data.split(",");
var str=arr[0]+arr[1];
}

Answer 2

split(",") 分割字符串数组 join  拼接字符串

Answer 3

var data=" 小小,08:05,你该上学去了";
var arr=data.split(",");
var str=arr[0]+arr[1];