How to load jquery from local server if CDN is down ?

In this article we will discuss how to load jquery from local server if CDN is down. In some cases network of CDN might be down that time it helps load from local server. 

<script type="text/javascript" src="//code.jquery.com/jquery-1.10.2.js"></script>

<script type="text/javascript">

        window.jQuery || document.write('<scriptsrc="/Content/Scripts/query-1.10.min.js">\x3C/script>')

</script>

\x3C is hexadecimal for <