JS gets the current operating system type, browser, terminal type tools

Summarizes a JavaScript to get the current terminal type (PC, mobile), operating system type, browser type, browser version of the gadget.

Personally feel OK, tested no problem, can identify IE7 and above.

/**author:weihuandate:2017-6-26**/var _agentinfo = {devicetype: "",//PC or Mobileosname: "",//Windows, Android, Linu X and so On...browsername: "",//Chrome, Safari, Firefox, IE and so on...browserver: "",//browser version, Importan T if in IE environment.adapttype:0,//A type value, Adapt to the screens due to width_init:function () {_agentinfo.setdevic Eandos (); _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) {name= "Mac/ios";} 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 was 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 was after ' MSIE ' in useragentif ((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 was after "chrome" Browsername = "Chrome "; Fullversion = nagt.substring (veroffset+7);} else if ((Veroffset=nagt.indexof ("Safari"))!=-1) {//In Safari, the true version was after "Safari" or after "version" b Rowsername = "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 was after "Firefox" browsername = "F Irefox "; Fullversion = nagt.substring (veroffset+8);} else if ((Nameoffset=nagt.lastindexof (') +1) < (Veroffset=nagt.lastindexof ('/'))} {//In the most other browsers, "Nam E/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=fullver Sion.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 screens due to width. For Convenientif (screen.width <= 374) {_agentinfo.adapttype = 0;} else if (screen.width <= 413) {_agentinfo.adapttype = 1;} else {_agentinfo.adapttype = 2;}}} _agentinfo._init ();

　　

JS gets the current operating system type, browser, terminal type tools