var
ua = navigator.userAgent.toLowerCase();
var
isStrict = document.compatMode == "CSS1Compat
", // 是否定义DOCUMENT类型
isOpera = ua.indexOf("opera
")>-1, // 是Opera
isChrome = ua.indexOf("chrome
")>-1, //是Chrome
isSafari = !isChrome&&(/webkit|khtml/).test(ua), //是Safari
isSafari3 = isSafari&&ua.indexOf("webkit/5
")! = -1, // Safari3
isIE = !isOpera&&ua.indexOf("msie
")>-1, //IE6
isIE7 = !isOpera&&ua.indexOf("msie 7
")>-1, // IE7
isIE8 = !isOpera&&ua.indexOf("msie 8
")>-1, //IE8
isGecko = !isSafari&&!isChrome&&ua.indexOf("gecko
")>-1, // Gecko内核
isGecko3 = isGecko&&ua.indexOf("rv:1.9
")>-1, // Gecko3内核
isBorderBox = isIE&&!isStrict, // 使用盒模型
isWindows = (ua.indexOf("windows
")! = -1||ua.indexOf("win32
")! = -1), // 是Windows系统
isMac = (ua.indexOf("macintosh
")! = -1||ua.indexOf("mac os x
")! = -1), // 是MacOS系统
isAir = (ua.indexOf("adobeair
")! = -1), // 是用Adobe Air浏览
isLinux = (ua.indexOf("linux
")! = -1), // 是Linux系统
isSecure = window.location.href.toLowerCase().indexOf("https
") === 0; // 是SSL浏览
avascript判断浏览器和操作系统类型
最新推荐文章于 2024-11-15 15:44:41 发布