3 Modernizr
Polyfill, Script / Library
Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.
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3 
1 Overthrow
Polyfill, Script / Library
You want to use CSS overflow in your designs, but overflow doesn’t work properly in many browsers, particularly mobile ones. […]
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1 CSS3 Pie
Polyfill, Script / Library
PIE makes Internet Explorer 6-9 capable of rendering several of the most useful CSS3 decoration features.
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1 respond.js
Polyfill
A fast & lightweight polyfill for min/max-width CSS3 Media Queries (for IE 6-8, and more).
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Like cssParentSelector.js
Polyfill, Script / Library
Use the CSS4 parent selector right now.
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Like yepnope.js
Polyfill, Script / Library
yepnope is an asynchronous conditional resource loader that’s super-fast, and allows you to load only the scripts that your users […]
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Like selectivizr
Polyfill, Script / Library
selectivizr is a JavaScript utility that emulates CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8. Simply include the script […]
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Like Picturefill
Polyfill, Script / Library
A <picture> element polyfill.
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Like cssFx.js
Polyfill
cssFx is a standalone polyfill that inserts the vendor-specific CSS3 properties necessary for old and new browsers. This saves you […]
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Like CSSRegions.js
Polyfill
Experimental JavaScript-based polyfill for CSS Regions.
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Like respimage
Polyfill, Script / Library
respimage is a responsive images polyfill, that loads your images fast and responsibly.
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