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

1 vote199 views1 answer
Html upload image
Html
0 vote429 views1 answer
Html favicon base64
Html
35 votes204 views6 answers
InnerHTML
Html
9 votes194 views2 answers
Html date placeholder
Html
1 vote194 views1 answer
Justify-content-center react bootstrap
Html
0 vote221 views1 answer
Html select component
Html
0 vote191 views1 answer
How to fix input field and disabled
Html
0 vote216 views1 answer
A column inside another column bootstrap html
Html
0 vote188 views1 answer
Click on a button and start downloading data html
Html
5 votes172 views1 answer
Html integer input
Html