浏览器渲染页面的方式各不相同，甚至同一浏览器的不同版本（“杰出代表”是 IE）也有差异。因此，浏览器兼容成为前端开发人员的必备技能。如果有一份浏览器 Hack 手册，那查询起来就方便多了。这篇文章就向大家分享?Browserhacks 帮我们从网络上收集的各个浏览器特定的 CSS & JavaScript Hack，记得推荐和分享啊！
IE 选择器 Hack
/*?IE?6?and?below?*/?
*?html?.selector??{}?? ?
.suckyie6.selector?{}?/*?.suckyie6?can?be?any?unused?class?*/?
/*?IE?7?and?below?*/?
.selector,?{}?
/*?IE?7?*/?
*:first-child+html?.selector?{}?? ?
.selector,?x:-IE7?{}?? ?
*+html?.selector?{}?
/*?Everything?but?IE?6?*/?
html?>?body?.selector?{}?
/*?Everything?but?IE?6/7?*/?
html?>?/**/?body?.selector?{}? ?
head?~?/*?*/?body?.selector?{}?
/*?Everything?but?IE?6/7/8?*/?
:root?*>?.selector?{}?? ?
body:last-child?.selector?{}?? ?
body:nth-of-type(1)?.selector?{}?? ?
body:first-of-type?.selector?{}?
IE 属性/值 Hack
/*?IE?6?*/?
.selector?{?_color:?blue;?}?? ?
.selector?{?-color:?blue;?}?
/*?IE?6/7?-?acts?as?an?!important?*/?
.selector?{?color:?blue?!ie;?}?? ?
/*?string?after?!?can?be?anything?*/?
/*?IE?6/7?-?any?combination?of?these?characters:?? ?
?!?$?&?*?(?)?=?%?+?@?,?.?/?`?[?]?#?~???:?<?>?|?*/?
.selector?{?!color:?blue;?}?? ?
.selector?{?$color:?blue;?}?? ?
.selector?{?&color:?blue;?}?? ?
.selector?{?*color:?blue;?}?? ?
/*?...?*/?
/*?IE?8/9?*/?
.selector?{?color:?blue\0/;?}?? ?
/*?must?go?at?the?END?of?all?rules?*/?
/*?IE?9/10?*/?
.selector:nth-of-type(1n)?{?color:?blue\9;?}?
/*?IE?6/7/8/9/10?*/?
.selector?{?color:?blue\9;?}?? ?
.selector?{?color/*\**/:?blue\9;?}?
/*?Everything?but?IE?6?*/?
.selector?{?color/**/:?blue;?}?
IE Media Query Hack
/*?IE?6/7?*/?
@media?screen\9?{}?
/*?IE?8?*/?
@media?\0screen?{}?
/*?IE?9/10,?Firefox?3.5+,?Opera?*/?
@media?screen?and?(min-resolution:?+72dpi)?{}?
/*?IE?10+?*/?
@media?screen?and?(-ms-high-contrast:?active),?(-ms-high-contrast:?none)?{}?
/*?IE?6/7/8?*/?
@media?\0screen\,screen\9?{}?
/*?IE?8/9/10?&?Opera?*/?
@media?screen\0?{}?
/*?IE?9/10?*/?
@media?screen?and?(min-width:0\0)?{}?
/*?Everything?but?IE?6/7/8?*/?
@media?screen?and?(min-width:?400px)?{}?
IE JavaScript Hack
/*?IE?6?*/?
(checkIE?=?document.createElement("b")).innerHTML?=?"<!--[if?IE?6]><i></i><![endif]-->";?? ?
var?isIE?=?checkIE.getElementsByTagName("i").length?==?1;?
/*?IE?7?*/?
(checkIE?=?document.createElement("b")).innerHTML?=?"<!--[if?IE?7]><i></i><![endif]-->";?? ?
var?isIE?=?checkIE.getElementsByTagName("i").length?==?1;? ?
navigator.appVersion.indexOf("MSIE?7.")!=-1?
/*?IE?<=?8?*/?
var?isIE?=?'\v'=='v';?
/*?IE?8?*/?
(checkIE?=?document.createElement("b")).innerHTML?=?"<!--[if?IE?8]><i></i><![endif]-->";?? ?
var?isIE?=?checkIE.getElementsByTagName("i").length?==?1;?
/*?IE?9?*/?
(checkIE?=?document.createElement("b")).innerHTML?=?"<!--[if?IE?9]><i></i><![endif]-->";?? ?
var?isIE?=?checkIE.getElementsByTagName("i").length?==?1;?
/*?IE?10?*/?
var?isIE?=?eval("/*@cc_on!@*/false")?&&?document.documentMode?===?10;?
/*?IE?10?*/?
var?isIE?=?document.body.style.msTouchAction?!=?undefined;?
Firefox 浏览器
选择器 Hack
/*?Firefox?1.5?*/?
body:empty?.selector?{}?
/*?Firefox?2+?*/?
.selector,?x:-moz-any-link?{}?
/*?Firefox?3+?*/?
.selector,?x:-moz-any-link;?x:default?{}?
/*?Firefox?3.5+?*/?
body:not(:-moz-handler-blocked)?.selector?{}?
媒体查询 Hack
/*?Firefox?3.5+,?IE?9/10,?Opera?*/?
@media?screen?and?(min-resolution:?+72dpi)?{}?
/*?Firefox?3.6+?*/?
@media?screen?and?(-moz-images-in-menus:0)?{}?
/*?Firefox?4+?*/?
@media?screen?and?(min--moz-device-pixel-ratio:0)?{}?
JavaScript Hack
/*?Firefox?*/?
var?isFF?=?!!navigator.userAgent.match(/firefox/i);?
/*?Firefox?2?-?13?*/?
var?isFF?=?Boolean(window.globalStorage);?
/*?Firefox?2/3?*/?
var?isFF?=?/a/[-1]=='a';?
/*?Firefox?3?*/?
var?isFF?=?(function?x(){})[-5]=='x';?
Chrome 浏览器
选择器 Hack
/*?Chrome?24-?and?Safari?5-?*/?
::made-up-pseudo-element,?.selector?{}?
媒体查询 Hack
/*?Chrome,?Safari?3+?*/?
@media?screen?and?(-webkit-min-device-pixel-ratio:0)?{}?
JavaScript Hack
/*?Chrome?*/?
var?isChrome?=?Boolean(window.chrome);?
Safari 浏览器
选择器 Hack
/*?Safari?2/3?*/?
html[xmlns*=""]?body:last-child?.selector?{}?? ?
html[xmlns*=""]:root?.selector??{}?
/*?Safari?2/3.1,?Opera?9.25?*/?
*|html[xmlns*=""]?.selector?{}?
/*?Safari?5-?and?Chrome?24-?*/?
::made-up-pseudo-element,?.selector?{}?
媒体查询 Hack
/*?Safari?3+,?Chrome?*/?
@media?screen?and?(-webkit-min-device-pixel-ratio:0)?{}?
JavaScript Hack
/*?Safari?*/?
var?isSafari?=?/a/.__proto__=='//';?
Opera 浏览器
选择器 Hack
/*?Opera?9.25,?Safari?2/3.1?*/?
*|html[xmlns*=""]?.selector?{}?
/*?Opera?9.27?and?below,?Safari?2?*/?
html:first-child?.selector?{}?
/*?Opera?9.5+?*/?
noindex:-o-prefocus,?.selector?{}?
媒体查询 Hack
/*?Opera?7?*/?
@media?all?and?(min-width:?0px){}?
/*?Opera?12-?*/?
@media?all?and?(-webkit-min-device-pixel-ratio:10000),?not?all?and?(-webkit-min-device-pixel-ratio:0)?{}?
/*?Opera,?Firefox?3.5+,?IE?9/10?*/?
@media?screen?and?(min-resolution:?+72dpi)?{}?
/*?Opera,?IE?8/9/10?*/?
@media?screen?{}?
JavaScript Hack
/*?Opera?9.64-?*/?
var?isOpera?=?/^function?\(/.test([].sort);?
/*?Opera?12-?*/?
var?isOpera?=?Boolean(window.opera);?
原文链接：http://www.cnblogs.com/lhb25/archive/2013/03/11/browser-css-js-hacks-browserhacks.html