<!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.state() Method</h1>
<button>Check deferred state</button>
<script>
$(document).ready(function(){
$("button").click(function(){
var deferred = $.Deferred();
alert("deferred state is " + deferred.state());
deferred.then(function(value) {
alert(value);
alert("deferred state is " + deferred.state());
return 42;
}).then(function(id){
alert('The answer : ' + id);
alert("deferred state is " + deferred.state());
});
deferred.resolve("hello world");
});
});
</script> </body>
</html>