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<!DOCTYPE html> <html> <body> <h1>The Element Object</h1> <h2>The addEventListener() Method</h2> <p>Attach a click event to a button:</p> <button id="myBtn">Try it</button> <p id="demo"></p> <script> const element = document.getElementById("myBtn"); element.addEventListener("click", function() { document.getElementById("demo").innerHTML = "Hello World"; }); </script> </body> </html>
