Home
Blog
Contact
Mailing List
Software
 Blog
 Twitter
|
<< Back To All Blogs
Using Ext JS in SharePoint... a tip
Friday, September 26th, 2008
Continuing with my SharePoint fun with JavaScript, I have been using Ext JS embedded into SharePoint for some development lately, and was continually receiving the error "Ext is undefined" while trying to load the generic, always-used, Ext.onReady function, such as follows:
Ext.onReady(function(){
... my perfect code here ...
});
It turns out that the problem is caused by SharePoint yet again mangling the things that normally work perfectly, and as-expected. SharePoint manipulates the script tags on the page (for whatever reason is beyond me) which in turn effects the loading order of these scripts. I was receiving the "Ext is undefined" message because of exactly that, Ext, at that time, was still undefined.
The only way that I could find to get around this for the time being, until myself or someone else finds a better way, was to wrap the Ext code in the generic body.onLoad event, such as follows:
document.body.onload = function() {
... my not so perfect code here ...
}
Hopefully this will once again save someone a SharePoint JavaScript head ache, as it definitely caused one for myself.
JavaScript SharePoint Skeptical Tom Out.
Tags
SharePoint
JavaScript
Related Blogs
Using Data Protection Manager 2007 For Disaster Recovery on SharePoint
Resolving "Tracing Service lost trace events" in MOSS 2007
Fixing "The given key was not present in the dictionary" error in SharePoint 2010 Installation
Restoring Specific Documents from a MOSS 2007 Content Database Backup
Comments
Tom said on Thursday, June 18th, 2009 @ 10:30 AM
Hi Henry,
Glad to hear it helped, this was one that drove me crazy for a while, so I feel your pain!
Henry said on Thursday, June 18th, 2009 @ 10:06 AM
I was having this very same issue. I had the suspicion that somehow Sharepoint is messing with the script since it had worked perfectly fine outside of Sharepoint. Thanks for info!
Add A Comment
Name:
URL:
Email Address: (not public, used to send notifications on further comments)
Comments:
Enter the text above, except for the 1st and last character:
|