jQuery Loading Fallback
Nowadays majority of sites uses the jQuery JavaScript library. A lot of them also make use of Google's hosted
version of the library from some reasons: faster loading, better cross site caching etc. However, what if
there is ever a problem and jQuery is not loaded from Google? For example when you work on localhost and there
is no Internet connection? This simple snippet will help you. It basically checks if jQuery is loaded from Google.
If not, then it loads it locally from our own version of jQuery.
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- <!-- Grab Google CDN's jQuery and load local version if necessary -->
- <script src="//code.jquery.com/jquery-1.8.3.min.js"></script>
- <script type="text/javascript">
- !window.jQuery && document.write('<script src="js/jquery-1.8.3.min.js"><\/script>')
- </script>