When comparing JSFiddle vs Codeply, the Slant community recommends JSFiddle for most people. In the question“What are the best web development playgrounds?” JSFiddle is ranked 4th while Codeply is ranked 8th. The most important reason people chose JSFiddle is:
In addition to supporting JavaScript and CSS, language settings can be switched to CoffeeScript and SCSS.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro CoffeeScript and SCSS support
In addition to supporting JavaScript and CSS, language settings can be switched to CoffeeScript and SCSS.
Pro Allows collaborating on code
JSFiddle makes it easy to save the code snippets and send the link to others who can view and edit the code.
Pro Supports a wide variety of frameworks and extensions
JSFiddle can switch to selection of frameworks and extensions including jQuery, AngularJS, ReactiveJS, D3 simply from a dropdown.
Pro Responsive frameworks included
Bootstrap, Foundation, Materialize, Pure CSS, Skeleton, Semantic can all be referenced simply.
Pro Responsive preview
Test different screen widths and standard viewports.
Pro Snippets in editor
Grab code snippets right from the editor UI.
Pro Free
Cons
Con Not actually an IDE
JSFiddle is not actually an IDE and is only suitable for small blocks of code.
Con Non free/libre (proprietary)
Con Private and upgrades not available
One time donation unlocks Private Ply's.