Yes, you can use multiple versions of jQuery on the same page. To avoid any kind of conflict, use the jQuery.noConflict() method. jQuery.noConflict() method allows you to use multiple frameworks, while using jQuery. Other JavaScript frameworks include Ember, Angular, Backbone, etc.
The $ sign is used for jQuery, but what if other frameworks also use the same $ sign; this may create issues and conflict. To avoid this, jQuery issued the noConflict() method. The method releases the $ sign to be used my other JavaScript frameworks. Use jQuery with the name, jQuery.
With this, you can also use multiple versions of jQuery on the same page. You can try to run the following code to learn how to use multiple versions of jQuery on the same web page:
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
var $x = jQuery.noConflict();
alert("Version: "+$x.fn.jquery);
</script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script>
var $y = jQuery.noConflict();
alert("Version: "+$y.fn.jquery);
</script>
</head>
<body>
</body>
</html>
