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<html><style>.example { color: red; width: 150px; font-size: 20px;}</style><body><h1>HTML DOM Attributes</h1><h2>The length Property</h2><button id="myBtn" onclick="myFunction()" class="example">Try it</button><p>The attributes of the button above is:</p><p id="demo"></p><script>let text = "";const nodeMap = document.getElementById("myBtn").attributes;for (let i = 0; i < nodeMap.length; i++) { text += nodeMap[i].name + "<br>";}document.getElementById("demo").innerHTML = text;function myFunction() {}</script></body></html>