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Modernizr (http://www.modernizr.com/ http://www.modernizr.com/) is as close as you're going to get at the moment. It's pretty solid.
by jsdalton 16y ago
Modernizr (http://www.modernizr.com/ http://www.modernizr.com/) is as close as you're going to get at the moment. It's pretty solid.
- philfreo 16y agoThis is actually specifically NOT want I want: "Modernizr does not add missing functionality to browsers; instead, it detects native availability of features and offers you a way to maintain a fine level of control over your site regardless of a browser’s capabilities." I understand that not all HTML5 features can be reproduced in JS, but for the ones that can (such as "placeholder"), I don't want to have to think about reimplementing it for older browsers when it could be done automatically.