$(document).ready(function () {
var locurl = location.href;
var start = locurl.indexOf("?");
var end = locurl.length;
var tempstr = locurl.substring(start + 1, end)
var temp = tempstr.split("=");
var parm = temp[1] - 1;
$(".ny_leftc_ul ul li").eq(parm).find("a").addClass("newtxz");
});
![[Web front-end] Permulaan pantas Node.js](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
