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<!DOCTYPE html> <html> <body> <h1>The Element Object</h1> <h2>The id Property</h2> <p><a id="myAnchor" href="https://w3schools.org.cn/">W3Schools</a></p> <p>Click "Change" to change the value of the id attribute of the link.</p> <button onclick="changeID()">Change</button> <p>The id of the link is:</p> <p id="demo"></p> <script> function getID() { document.getElementById("demo").innerHTML = element.id; } function changeID() { element.id = "newid"; getID(); } let element = document.getElementById("myAnchor"); getID(); </script> </body> </html>
