$.ajax loading code example
Example 1: jQuery - AJAX load() Method
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("#div1").load("demo_test.txt");
});
});
</script>
</head>
<body>
<div id="div1"><h2>Let jQuery AJAX Change This Text</h2></div>
<button>Get External Content</button>
</body>
</html>
Example 2: loading page for all ajax call in jquery 3.3.1
$(document).ajaxStart(function () {
$('#ajax-loading-image').css("display", "block");
});
$(document).ajaxStop(function () {
$('#ajax-loading-image').css("display", "none");
});