Source Code:
(back to article)
Submit
Result:
Report an issue
<div id="addClassExample">This element will have classes added.</div> <button onclick="addClass()">Add Class</button> <script> function addClass() { const element = document.getElementById('addClassExample'); element.classList.add('highlight', 'text-large'); } </script> <style> .highlight { background-color: yellow; } .text-large { font-size: 24px; } </style>