JSFiddle - React, Tailwind, and code Playground

by Shree Khanal

HTML

<nav class="navbar navbar-expand-lg navbar-dark">
  <a class="navbar-brand" href="">TinDog</a>
  <button class="navbar-toggler" role="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="navbarSupportedContent">
    <ul class="navbar-nav ml-auto">
      <li class="nav-item">
        <a class="nav-link" href="">Contact</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="">Pricing</a>
      </li>
      <li class="nav-item">
        <a class="nav-link" href="">Download</a>
      </li>
    </ul>
  </div>
</nav>

JavaScript

var btnContainer = document.getElementById("active-link");
var btns = btnContainer.getElementsByClassName("button");

for (var i = 0; i < btns.length; i++) {
  btns[i].addEventListener('click', function() {
    var current = document.getElementsByClassName("active");
    current[0].className = current[0].className.replace("active");
    //this.className += "active";
  })
}