Include jquery if not included

<!--
	Checks to see if jquery is defined
	If jQuery is NOT detected, include the script.
-->
<script type="text/javascript">
    if(typeof jQuery == 'undefined'){
        var foo = document.createElement("script");
        foo.type = "text/javascript";
        foo.src = "https://code.jquery.com/jquery-1.12.4.min.js"; // add path to jQuery script here
        document.head.insertBefore(foo, document.head.getElementsByTagName("script")[0])
    }
</script>

Similar codes

0 vote146 views2 answers
Serve images in nextgen formats webp
Html
0 vote142 views1 answer
Ggo
Html
0 vote155 views1 answer
Bootstrap 4.6 add to css
Html
8 votes103 views2 answers
Input type year
Html
0 vote148 views1 answer
Search/find content ftp html
Html
1 vote172 views1 answer
Svg icon not showing html
Html
0 vote165 views2 answers
Multiple countdown html js
Html
1 vote151 views1 answer
How to emphasis in html
Html
1 vote152 views3 answers
Php inside html
Html
0 vote188 views1 answer
Bootstrap5 lineheight
Html