需要利用js replace() 替换字符串，请问该怎么操作呢？

Question

var str = "111,1,11,"
var r_str = "1";
r_str 是页面得到需要替换为空的接受值 怎么才能吧 str 中的 “1,” 给替换成 空呢
理想效果 "111,11,"

Answer 1

var arr = str.split(",");var newstr = "";for(var i = 0; i < arr.length; i ++){if(arr[i].length > 1){newstr += (arr[i] + “,”);}}

Answer 2

str.replace("1,","") 试试看