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<!DOCTYPE html> <html> <style> .myStyle { background-color: coral; padding: 16px; } .anotherClass { text-align: center; font-size: 25px; } .thirdClass { text-transform: uppercase; } </style> <body> <h1>The DOMToken Object</h1> <h2>The add() Method</h2> <button onclick="myFunction()">Add</button> <p>Click "Add" to add multiple classes to myDIV.</p> <div id="myDIV"> <p>I am myDIV.</p> </div> <script> function myFunction() { document.getElementById("myDIV").classList.add("myStyle", "anotherClass", "thirdClass"); } </script> </body> </html>
