0
<!DOCTYPE html>
<html>
<body>
 <h1>Welcome to Working Code</h1>
<h2>The confirm() Method</h2>
 <p>Click the button to display a confirm box.</p>
 <button onclick="workingCode()">Try it</button>
 <script>
function workingCode() {
  confirm("Thankyou!");
}
</script>
 </body>
</html>

Output

Confirm popup in ServiceNow and JavaScript
Expert Asked question July 18, 2023