总结了一个javascript获取当前终端类型(pc, mobile),操作系统类型,浏览器类型,浏览器版本的小工具。
个人觉得还行,测试过没有问题,能识别ie7以及以上。
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/** author: Weihuan date: 2017-6-26 **/ var _AgentInfo = { deviceType: "" , // pc or mobile browserName: "" , // chrome, safari, firefox, IE and so on... browserVer: "" , // browser version, important if in IE environment. adaptType: 0, // A type value, Adapt to the screen due to width _init: function (){ _AgentInfo.setDeviceAndOS(); _AgentInfo.setBrowser(); }, setDeviceAndOS: function (){ var name = "unknown" ; if (window.navigator.userAgent.indexOf( "Android" ) != -1){ name = "Android" ; } else if (window.navigator.userAgent.indexOf( "iPhone" ) != -1){ name = "iPhone" ; } else if (window.navigator.userAgent.indexOf( "SymbianOS" ) != -1){ name = "SymbianOS" ; } else if (window.navigator.userAgent.indexOf( "Windows Phone" ) != -1){ name = "Windows Phone" ; } else if (window.navigator.userAgent.indexOf( "iPad" ) != -1){ name = "iPad" ; } else if (window.navigator.userAgent.indexOf( "iPod" ) != -1){ name = "iPod" ; } if (name != "unknown" ){ _AgentInfo.OSname = name; _AgentInfo.deviceType = "mobile" ; return ; } if (window.navigator.userAgent.indexOf( "Windows NT 10.0" )!= -1){ name= "Windows 10" ; } else if (window.navigator.userAgent.indexOf( "Windows NT 6.2" ) != -1){ name= "Windows 8" ; } else if (window.navigator.userAgent.indexOf( "Windows NT 6.1" ) != -1){ name= "Windows 7" ; } else if (window.navigator.userAgent.indexOf( "Windows NT 6.0" ) != -1){ name= "Windows Vista" ; } else if (window.navigator.userAgent.indexOf( "Windows NT 5.1" ) != -1){ name= "Windows XP" ; } else if (window.navigator.userAgent.indexOf( "Windows NT 5.0" ) != -1){ name= "Windows 2000" ; } else if (window.navigator.userAgent.indexOf( "Mac" ) != -1){ } else if (window.navigator.userAgent.indexOf( "X11" ) != -1){ name= "UNIX" ; } else if (window.navigator.userAgent.indexOf( "Linux" ) != -1){ name= "Linux" ; } _AgentInfo.OSname = name; _AgentInfo.deviceType = "pc" ; }, setBrowser: function (){ var nAgt = navigator.userAgent; var browserName = navigator.appName; var fullVersion = ‘‘ +parseFloat(navigator.appVersion); var majorVersion = parseInt(navigator.appVersion,10); var nameOffset,verOffset,ix; if ((verOffset=nAgt.indexOf( "Opera" ))!=-1) { // In Opera, the true version is after "Opera" or after "Version" browserName = "Opera" ; fullVersion = nAgt.substring(verOffset+6); if ((verOffset=nAgt.indexOf( "Version" ))!=-1) fullVersion = nAgt.substring(verOffset+8); } else if ( (nAgt.indexOf( "Trident" ))!=-1 ) { // ( ver >= ie7) In MSIE, the true version is after "MSIE" in userAgent if ((verOffset=nAgt.indexOf( "MSIE" ))!=-1){ fullVersion = nAgt.substring(verOffset+5); } else { fullVersion = ‘11.0‘ ; } if (fullVersion == 5){ fullVersion = "11.0" ; } browserName = "IE" ; } else if ((verOffset=nAgt.indexOf( "Chrome" ))!=-1) { // In Chrome, the true version is after "Chrome" browserName = "Chrome" ; fullVersion = nAgt.substring(verOffset+7); } else if ((verOffset=nAgt.indexOf( "Safari" ))!=-1) { // In Safari, the true version is after "Safari" or after "Version" browserName = "Safari" ; fullVersion = nAgt.substring(verOffset+7); if ((verOffset=nAgt.indexOf( "Version" ))!=-1) fullVersion = nAgt.substring(verOffset+8); } else if ((verOffset=nAgt.indexOf( "Firefox" ))!=-1) { // In Firefox, the true version is after "Firefox" browserName = "Firefox" ; fullVersion = nAgt.substring(verOffset+8); } else if ( (nameOffset=nAgt.lastIndexOf( ‘ ‘ )+1) < (verOffset=nAgt.lastIndexOf( ‘/‘ )) ){ // In most other browsers, "name/version" is at the end of userAgent browserName = nAgt.substring(nameOffset,verOffset); fullVersion = nAgt.substring(verOffset+1); if (browserName.toLowerCase()==browserName.toUpperCase()) { browserName = navigator.appName; } } if ((ix=fullVersion.indexOf( ";" ))!=-1) // trim the fullVersion string at semicolon/space if present fullVersion=fullVersion.substring(0,ix); if ((ix=fullVersion.indexOf( " " ))!=-1) fullVersion=fullVersion.substring(0,ix); majorVersion = parseInt( ‘‘ +fullVersion,10); if (isNaN(majorVersion)) { fullVersion = ‘‘ +parseFloat(navigator.appVersion); majorVersion = parseInt(navigator.appVersion,10); } _AgentInfo.browserName = browserName; _AgentInfo.browserVer = fullVersion; }, isMobile: function (){ if (_AgentInfo.deviceType == "mobile" ){ return true ; } return false ; }, setAdaptType(){ // A type value, Adapt to the screen due to width. For convenient if (screen.width <= 374){ _AgentInfo.adaptType = 0; } else if (screen.width <= 413){ _AgentInfo.adaptType = 1; } else { _AgentInfo.adaptType = 2; } } } |