<html>
<head>
<script src="../../ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
</head>
<body>
<p id="demo">JavaScript can change the style of an HTML element.</p>
<script>
$(document).ready(function() {
var myElement = $("#demo");
myElement.css("font-size","35px");
});
</script>
</body>
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</html>