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I want to source a javascript file from facebook http://connect.facebook.net/en_US/all.js
The organization I work for has a firewall that blocks access to Facebook, it just goes to an html page that says “Access Denied blah blah blah”
I want to be able to put a javascript src tag <script src="http://... "> </script> and detect and suppress the warnings when the browser tries to evaluate the html as javascript.
Anyone know how?
With the standard
<script>tag, not possible. There’s nothing really running at the time when the script’s src is hit and content downloaded, so you can’t wrap that in a try/catch block. There’s some tips here on how to dynamically load scripts. Maybe the browsers will add some stuff to the DOM element created there which you can check for.