JS如何判断浏览器类型和详细区分IE各版本浏览器
今天用到JS判断浏览器类型,于是就系统整理了一下,便于后期使用。
/* * 描述:判断浏览器信息 * 编写:LittleQiang_w * 日期:2016.1.5 * 版本:V1.1 */ //判断当前浏览类型 function BrowserType() { var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串 var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器 var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器 var isEdge = userAgent.indexOf("Windows NT 6.1; Trident/7.0;") > -1 && !isIE; //判断是否IE的Edge浏览器 var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器 var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器 var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器 if (isIE) { var reIE = new RegExp("MSIE (\\d+\\.\\d+);"); reIE.test(userAgent); var fIEVersion = parseFloat(RegExp["$1"]); if(fIEVersion == 7) { return "IE7";} else if(fIEVersion == 8) { return "IE8";} else if(fIEVersion == 9) { return "IE9";} else if(fIEVersion == 10) { return "IE10";} else if(fIEVersion == 11) { return "IE11";} else { return "0"}//IE版本过低 }//isIE end if (isFF) { return "FF";} if (isOpera) { return "Opera";} if (isSafari) { return "Safari";} if (isChrome) { return "Chrome";} if (isEdge) { return "Edge";} }//myBrowser() end //判断是否是IE浏览器 function isIE() { var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串 var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器 if(isIE) { return "1"; } else { return "-1"; } } //判断是否是IE浏览器,包括Edge浏览器 function IEVersion() { var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串 var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器 var isEdge = userAgent.indexOf("Windows NT 6.1; Trident/7.0;") > -1 && !isIE; //判断是否IE的Edge浏览器 if(isIE) { var reIE = new RegExp("MSIE (\\d+\\.\\d+);"); reIE.test(userAgent); var fIEVersion = parseFloat(RegExp["$1"]); if(fIEVersion == 7) { return "IE7";} else if(fIEVersion == 8) { return "IE8";} else if(fIEVersion == 9) { return "IE9";} else if(fIEVersion == 10) { return "IE10";} else if(fIEVersion == 11) { return "IE11";} else { return "0"}//IE版本过低 } else if(isEdge) { return "Edge"; } else { return "-1";//非IE } }
以上代码通过测试,可用!
但存在一个问题,即IE5与IE7浏览器暂不能区分,以下是IE5与IE7下userAgent的信息;通过userAgent发现,简单的通过以上方法,无法正确区分IE5和IE7。期待该问题的解决方案!!!
IE5: userAgent "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; InfoPath.2; .NET4.0E)"
IE7: userAgent "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; InfoPath.2; .NET4.0E)"
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