Topic: jQuery not available in CustomJS

This topic has 7 replies, 2 voices, and was last updated 6 years, 8 months ago by Alexander Bautz.

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- July 14, 2017 at 11:41 #17283
  Andreas Blüher
  Participant
  Hello Alexander,
  
  after upgrading to 4.4.3.4 I’ve ran into another issue. When I try to use $ in my CustomJS code I’m getting an error message, which is the same when I put in a debugger and do it through console in my browser.
  
  However, when I use “jQuery” instead of “$” it works just fine. Since it has been working before, this looks to me like a DFFS issue.
  
  It would be really nice if you could confirm/deny this.
  
  Kind regards
  Andreas
  Attachments:
  CustomJS-1.png
- July 14, 2017 at 12:18 #17286
  Alexander Bautz
  Keymaster
  DFFS should reveal $ as a global variable along with jQuery and jQspjs. Which version of jQuery is loaded? – check it by typing this in the console or use console.log in your custom js:
```
jQuery.fn.jquery
```
  Alexander
- July 14, 2017 at 13:35 #17290
  
  Andreas Blüher
  Participant
  
  The loaded version is “1.12.4”
- July 16, 2017 at 10:58 #17294
  
  Alexander Bautz
  Keymaster
  
  It may be an issue with either the DFFS loader, or with require.js if you are on SharePoint online.
  
  You should however use jQuery as SharePoint sometimes overwrites $.
  
  I’ll make a little change to the DFFS loader to see if it might be there the problem originates.
  
  Alexander
- July 17, 2017 at 07:48 #17299
  
  Andreas Blüher
  Participant
  
  Hello Alexander,
  
  I’m on SharePoint 2013 OnPremise and I was able to reproduce the issue on a second farm in a brand new Teamsite (englisch language).
  
  If there’s anything I can help you with or more information I can provide, please let me know.
  
  Andreas
- July 18, 2017 at 09:27 #17317
  Alexander Bautz
  Keymaster
  Could you try v4.4.3.5 to see if there is any difference? In the DFFS_loader, I use this snippet in the loader to ensure $ is defined, but some other code might override it afterwards.
```
jQspjs = jQuery.noConflict();
// Ensure $ and jQuery are defined
if(typeof $ !== "function"){
    $ = jQspjs;
}
if(typeof jQuery !== "function"){
    jQuery = jQspjs;
}
load_DFFS_files();
```
  Alexander
- July 20, 2017 at 15:02 #17357
  
  Andreas Blüher
  Participant
  
  Hello Alexander,
  
  I have to report that the issue remains when using $, but using jQuery works fine. Not sure what I can do to provide more detailled information.
  
  Andreas
- July 22, 2017 at 16:03 #17380
  Alexander Bautz
  Keymaster
  Not sure. If you open the dev console and type in
```
$
```
  Do you get “undefined” or another function? (SP uses this namespace for some functions and may overwrite it).
  
  Alexander
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