<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("#disable").click(function(){
jQuery.fx.off = true;
});
$("#enable").click(function(){
jQuery.fx.off = false;
});
$("#toggle").click(function(){
$("div").toggle("slow");
});
});
</script>
</head>
<body>
<p>When the "Toggle animation" button is pressed, we toggle between hiding and showing the div with a slow animation. Press "Enable" or "Disable" to turn animations on and off.</p>
<button id="disable">jQuery.fx.off = true ( Disable )</button>
<button id="enable">jQuery.fx.off = false ( Enable )</button>
<br><br>
<button id="toggle">Toggle animation</button>
<div style="background:#98bf21;height:100px;width:100px;margin:50px;"></div>
</body>
</html>