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.