javascript - 如何在javascript中子串

Question

我的javascript代码，

var docPath = document.location.pathname.toString()

返回

/myFolder/UserControls/myUserControl.ascx

我要子串点赞

/myFolder/UserControls/

我该怎么做？

Answer 1

嗯..

var n=str.lastIndexOf("/"); // get the last "/"
var result = str.substring(0, n); // only keep everything before the last "/" (excluded)

是你想要的吗？