Show Output
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <title>JavaScript Cancel a Timer with clearTimeout() Method</title> </head> <body> <script> let timeoutID; function delayedAlert() { timeoutID = setTimeout(showAlert, 2000); } function showAlert() { alert('This is a JavaScript alert box.'); } function clearAlert() { clearTimeout(timeoutID); } </script> <button onclick="delayedAlert();">Show Alert After Two Seconds</button> <button onclick="clearAlert();">Cancel Alert Before It Display</button> </body> </html>
