https://www.nsws.gov.in/themes/sws/js/helpdesk.js?v=9.4.9

1document.addEventListener('DOMContentLoaded', function () {
2
3  const buttons = document.querySelectorAll('.tab-btn-help');
4
5  buttons.forEach(button => {
6
7    button.addEventListener('click', function () {
8
9      document.querySelectorAll('.tab-btn-help').forEach(btn => {
10        btn.classList.remove('active');
11      });
12
13      document.querySelectorAll('.tab-content-help').forEach(tab => {
14        tab.classList.remove('active');
15      });
16
17      this.classList.add('active');
18
19      document
20        .getElementById(this.dataset.tab)
21        .classList.add('active');
22    });
23
24  });
25
26});