【必备】史上最全的浏览器 CSS & JS Hack 手册
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);
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