The concept of adding JSFiddle integration has been discussed in: Custom jsFiddle for Stack Overflow
While adding it sounds like a lot of work, at any moment JSFiddle could change its terms of service, or close which would cause a lot of dead links. I realize we do not allow JSFiddle links without any code but often the fiddle still contains the vast majority of the code.
In that post, the website author describes a simple method for grabbing the code from a JSFiddle question. (by adding
The Feature Request:
Can Stack Overflow store copies of content of fiddles posted in questions/answers in case there is a problem with the service in the future?
Some people are saying that questions shouldn't rely on JSFiddle, which I don't get at all since that's like saying "we shouldn't be having this problem in the first place". Well, we have this problem, there are easily thousands of questions that contain vital information in JSFiddle links. All I'm suggesting is not digging a deeper hole.