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Write and run JavaScript/HTML code instantly!

JS Runner is a handy tool for learning JavaScript/HTML or running JavaScript for daily tasks.

* console.log() is now supported!

Simply type JavaScript code and press "Command-R" to run it, that is all!
You dont event need to save the file first!

* Features

• Type and run JavaScript/HTML code instantly
• Syntax highlighting
• Auto completion
• Various themes

* FAQ

Q: What kind of JavaScript engine does JS Runner use?
A: JS Runner uses the WebKit JavaScript engine and supports most web browser features.