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How do I provide a javascript or iframe timeout when external server is unavailable?

Posted on 2009-02-13
Medium Priority
Last Modified: 2013-11-19
I have a website that provides widgets that people put on their blog sidebars.  They do so by using an external script tag:

<script type='text/javascript' source='http://mysite.com/widget.aspx'></script>

Occasionally our server will go down which will cause all our users blogs to timeout for about 30 seconds while the browser tries to load the external script.  Obviously our users don't appreciate this.

Note we can't use the script "defer" attribute because we are writing content to the document.

I have researched the problem and found mention of people using iframes with javascript settimeout helper functions to accomplish this.   What would this look like?  Should I just AJAX (xmlhttprequest) to do this?
Question by:rbanks303
LVL 75

Accepted Solution

Michel Plungjan earned 1500 total points
ID: 23640176
<div id="contentContainer"></div>
<script type='text/javascript' source='http://mysite.com/widget.aspx'></script>
<script type="text/javascript">
var img = new Image()
img.onload=function() {

and not use document.write

Author Comment

ID: 23821565
The solution above probably works - but I went ahead and used an AJAX call instead.  When the page has finished loading I do a JSONP AJAX call to our servers.  If the servers are down, the AJAX call just fails and no one gets mad.

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