Dynamically enable jQuery on the front-end from a browser's Dev console!

jQuerize.js

// copy and paste the following directly into the developer console:

var $head = document.getElementsByTagName('head')[0];
var $jQuery = document.createElement('script');
$jQuery.setAttribute('src', 'https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js');
$jQuery.setAttribute('integrity', 'sha384-ZvpUoO/+PpLXR1lu4jmpXWu80pZlYUAfxl5NsBMWOEPSjUn/6Z/hRTt8+pR6L4N2');
$jQuery.setAttribute('crossorigin', 'anonymous');
$head.appendChild($jQuery);