javascripthtml5css3htmlperformancehpwprogressiveenhancementlabjsyepnope.js | A Conditional Loader For Your Polyfills!
yepnope.js | A Conditional Loader For Your Polyfills! yepnopejs.com
A small wrapper around LABjs to help use feature detection to load exactly the scripts that your user needs, not just all the scripts that you think they might need.