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<!DOCTYPE html> <html> <body> <p>This example uses the addEventListener() method to add two click events to the same button.</p> <button id="myBtn">Try it</button> <script> var x = document.getElementById("myBtn"); x.addEventListener("click", myFunction); x.addEventListener("click", someOtherFunction); function myFunction() { alert ("Hello World!"); } function someOtherFunction() { alert ("This function was also executed!"); } </script> </body> </html>