<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> </head>
<body>
<h1>jQuery deferred.catch() Method</h1>
<p>Click on the button to check whether request succeeded or fail.</p>
<button>Send Get Request</button>
<script>
$(document).ready(function(){
$("button").click(function(){
$.get("/greet.php",function(data){
alert(data);
}).then(function() {
alert( "$.get is succeeded" );
}).catch(function() {
alert( "$.get is failed!" );
});
});
});
</script> </body>
</html>