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Line 130: === Script polyfills === While JavaScript feature detection and <syntaxhighlight lang="CSS" inline>@supports</syntaxhighlight> rules can help to target browsers that require fallback functionality, they will not address bugs in specific browsers or enable that advanced functionality. [[Polyfill (programming)\|Polyfills]], scripts that make behavior consistent across all browsers, can be used to add support for new CSS rules (for example, [[media queries]] in IE 8) as well as fix bugs in specific browsers. Since polyfills add or fix functionality in browsers that do not have it, they serve a different purpose than feature queries, but can be used in combination with them. * [[Conditional comment]]s ==References==

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