These bookmarklets let you see how a web page is coded without digging through the source, debug problems in web pages quickly, and experiment with CSS or JS without editing the actual page.
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser. So here we're collecting all the shims, fallbacks, and polyfills in order to implant HTML5 functionality in browsers that don't natively support them.
Markdeep is a technology for writing plain text documents that will look good in any web browser, whether local or remote. It supports diagrams, calendars, equations, and other features as extensions of Markdown syntax.
The above block of code demonstrates an in-browser, syntax-highlighting, auto-indenting JavaScript editor. Use ctrl-i or ctrl-space (depending on which one your browser interferes with) to re-indent the current line. Known issues are...
Object-Oriented JavaScript framework designed for the intermediate to advanced JavaScript developer. It allows you to write powerful, flexible, and cross-browser code with its elegant, well documented, and coherent API.