power-assert in browser
http://azu.github.io/power-assert-demo/
Editor

Editor - CodeMirror
- CodeMirror
 - http://codemirror.net/
 
power-assert

power-assert transform
- espower-source
 - https://github.com/twada/espower-source
 - Code -> (Power-asserized) Code
 
Test Runner

Test in iframe
- iframe's 
srcdocattribute- embed 
<html>...<script>assert(true)</script>...</html> 
 - embed 
 - Mocha
 - http://visionmedia.github.io/mocha/
 
ractive.js

ractive component
- Editor as Component
 - Test Runner as Component
 - Component <-> Component
 
ractive event
- Cool Observers
 - http://docs.ractivejs.org/latest/observers