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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>Javascript Removing Event Listeners</title> </head> <body> <button id="myBtn">Click Me</button> <script> // Defining function function greetWorld() { alert("Hello World!"); } // Selecting button element var btn = document.getElementById("myBtn"); // Attaching event listener btn.addEventListener("click", greetWorld); // Removing event listener btn.removeEventListener("click", greetWorld); </script> </body> </html>