To link jQuery from Google CDN, add the following in the srcattribute of the scripttag.
https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js
Here, we are using Google CDN version of the library. You can try to run the following code to learn how to use Google CDN to link jQuery.
<html>
<head>
<title>jQuery CDN</title>
<script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
document.write("Hello, World!");
});
</script>
</head>
<body>
<h1>Hello</h1>
</body>
</html>
