jsfiddle
Is it possible to enable code folding in JSFiddle? I've found that long JavaScript files can become unwieldy without code folding.
(I'm referring to the feature in Geany or the Eclipse IDE that makes it possible to collapse text that is surrounded by curly braces.)
If it's one of your own fiddles it displays on your dashboard. There you'll see latest revision with a link.
EDIT: The GUI is updated but the functionality seems the same in this matter.
You want to reset the code to base at the version you're editing. To do this you simply set the current version as the base version with the "Set as base" button shown below:
Best Answer
On January 2018, this feature moved to development in their trello board.
And the comment about starting development:
So I guess we should be seeing it in the near future!