javascript import jquery

1//add this line somewhere in the html
2<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>

1var script = document.createElement('script');
2script.src = 'https://code.jquery.com/jquery-3.4.1.min.js';
3script.type = 'text/javascript';
4document.getElementsByTagName('head')[0].appendChild(script);

1var script = document.createElement('script');
2script.src = 'https://code.jquery.com/jquery-3.4.1.min.js';
3script.type = 'text/javascript';
4document.getElementsByTagName('head')[0].appendChild(script);
5

1$.getScript('ajax/test.js', function() {
2    alert('Load was performed.');
3});
4