Confirm box is used to get confirmation from the user.
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
</head>
<body>
<script id="javascript">
var input = confirm("Do you want to proceed?");
if (input == true)
{
alert("You pressed OK!");
}
else
{
alert("You pressed Cancel!");
}
</script>
</body>
</html>
