A tweet-sized debugger for visualizing your CSS layouts. Outlines every DOM element on your page a random (valid) CSS hex color.
One-line version to paste in your DevTools
Use $$
if your browser aliases it:
~ 108 byte version
- shim - What is a Polyfill? / Shim vs Polyfill / Extend the Web Forward
- mo - A collection of OzJS core modules
Object.observe