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<html><style>.democlass { color: red;}</style><body><h1 class="democlass">The Element Object</h1><h2>The removeAttributeNode() Method</h2><p>Click "Remove" to remove the class attribute node from the first h1 element.</p><button onclick="myFunction()">Remove</button><script>function myFunction() { const element = document.getElementsByTagName("H1")[0]; const attr = element.getAttributeNode("class"); element.removeAttributeNode(attr);}</script></body></html>