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JSFiddle changelog
A log of all the changes made to JSFiddle – big and small.
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Curated list of monospace coder fonts
You can now use different monospace fonts in the editor − we now have a curated list of pretty awesome fonts available including premium ones. Just open the Coder Fonts mini-app from the sidebar or from Editor settings. My current favorites are
InputandCommit Mono. -
CSS Flexbox generator as a JSFiddle app
Our CSS Flexbox generator lets you create a layout, and skip knowing the confusing properties and value names (let's be honest the W3C did not make a good job here). Not gonna lie, this was heavily inspired by flexer.dev but coded completely from scratch.
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Behavior change for External Resources
Adding External Resources will no longer create a list of resources in the sidebar but will be injected as a LINK or SCRIPT tag inside of the HTML panel.
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Code Completion with additional context
The Code Completion will now also have the context of all panels before suggesting code to you - so if for example you have some CSS or JS, the HTML panel will suggest code based on the other two panels.
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🦄 AI Code Completion (beta)
Introducing some AI sprinkle in the editor - Code Completion based on the Codestral model (by Mistral).
For now it's a BYOK implmentation which means you need to provide your own API Key − you can get it for free.
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Editor switch from CodeMirror to Monaco (same as VSCode)
After much deliberation I've decided to make the switch from CodeMirror to Monaco.
There's a few reasons for this. CodeMirror 5 is no longer being developed, and the switch to 6 would be a huge rewrite since there's not much compatibility between the two versions.
Monaco itself has lots of features already built-in, things that took quite a few external plugins to get into the CodeMirror implementation.
I'm incredibly thankful to Marijn for his work on CodeMirror, it has served well for many years.
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JSFiddle will load faster
Technical debt is a drag man. Remember the time when MooTools was state-of-art JS framework? We do and so much of JSFiddle was still dependant on it till this day, but since almost all MooTools features are now available in native JS it was high-time to strip it out of the codebase.
This took around a week of work, lots of testing, but it's now done. And the final package of our JS bundle is ~30% smaller.
Get a Mistral API Key
A short guide to getting a free Mistral API Key.
Sign up for a Mistral account, and pick the free Experiment subscription plan.
Log in, and go to your organization's API Keys section.
Click Create new key, fill "JSFiddle" as the name for the API key, and save.
Copy the key, and paste it into JSFiddle − under the AI Code Completion in the Sidebar.
Done! AI Code Completion should now be working.
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