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<html><style>.myStyle { background-color: coral; padding: 16px;}</style><body><h1>The DOMToken Object</h1><h2>The add() Method</h2><button onclick="myFunction()">Add</button><p>Click "Add" to add the "myStyle" class to myDIV.</p><div id="myDIV"><p>I am a myDIV.</p></div><script>function myFunction() { const list = document.getElementById("myDIV").classList; list.add("myStyle");}</script></body></html>