1 var client = function () { 2 3 //browser engine 4 var engine = { 5 ie: 0, 6 gecko: 0, 7 webkit: 0, 8 khtml: 0, 9 opera: 0, 10 //full version 11 ver: null 12 }; 13 14 //browser 15 var browser = { 16 17 //browser 18 ie: 0, 19 firefox: 0, 20 konq: 0, 21 opera: 0, 22 chrome: 0, 23 safari: 0, 24 25 //specific version 26 ver: null 27 }; 28 29 //platform,device and OS 30 var system = { 31 win: false, 32 mac: false, 33 xl1: false, 34 35 //mobile device 36 iphone: false, 37 ipod: false, 38 nokiaN: false, 39 winMobile: false, 40 macMobile: false, 41 42 //game system 43 wii: false, 44 ps: false 45 }; 46 47 //check browser and engine 48 var ua = navigator.userAgent; 49 if (window.opera) { 50 engine.ver = browser.ver = window.opera.version(); 51 engine.opera = browser.opera = parseFloat(engine.ver); 52 } else if (/AppleWebKit\/(\S+)/.test(ua)) { 53 engine.ver = RegExp["$1"]; 54 engine.webkit = parseFloat(engine.ver); 55 56 //check whether chrome or safari 57 if (/Chrome\/(\S+)/.test(ua)) { 58 browser.ver = RegExp["$1"]; 59 browser.chrome = parseFloat(browser.ver); 60 } else if (/Version\/(\S+)/.test(ua)) { 61 browser.ver = RegExp["$1"]; 62 browser.safari = parseFloat(browser.ver); 63 } else { 64 //check version 65 var safariVersion = 1; 66 if (engine.webkit < 100) { 67 safariVersion = 1; 68 } else if (engine.webkit < 312) { 69 safariVersion = 1.2; 70 } else if (engine.webkit < 412) { 71 safariVersion = 1.3; 72 } else { 73 safariVersion = 2; 74 } 75 76 browser.safari = browser.ver = safariVersion; 77 } 78 } else if (/KHTML\/(\S+)/.test(ua) || /Konqueror\/([^;]+)/.test(ua)) { 79 engine.ver = browser.ver = RegExp["$1"]; 80 engine.khtml = browser.konq = parseFloat(engine.ver); 81 } else if (/rv:([^\)]+)\) Gecko\/\d{8}/.test(ua)) { 82 engine.ver = RegExp["$1"]; 83 engine.gecko = parseFloat(engine.ver); 84 85 //check if firefox or not 86 if (/Firefox\/(\S+)/.test(ua)) { 87 browser.ver = RegExp["$1"]; 88 browser.firefox = parseFloat(browser.ver); 89 } 90 } else if (/MSIE ([^;]+)/.test(ua)) { 91 engine.ver = browser.ver = RegExp["$1"]; 92 engine.ie = browser.ie = parseFloat(engine.ver); 93 } 94 95 //check browser 96 browser.ie = engine.ie; 97 browser.opera = engine.opera; 98 99 //check platform 100 var p = navigator.platform; 101 system.win = p.indexOf("Win") == 0; 102 system.mac = p.indexOf("Mac") == 0; 103 system.xl1 = (p == "Xl1") || (p.indexOf("Linux") == 0); 104 105 //check windows operate system 106 if (system.win) { 107 if (/Win(?:dows)?([^do]{2})\s?(\d+\.\d+)?/.test(ua)) { 108 if (RegExp["$1"] == "NT") { 109 switch (RegExp["$2"]) { 110 case "5.0": 111 system.win = "2000"; 112 break; 113 case "5.1": 114 system.win = "XP"; 115 break; 116 case "6.0": 117 system.win = "Vista"; 118 break; 119 default: 120 system.win = "NT"; 121 break; 122 } 123 } else if (RegExp["$1"] == "9x") { 124 system.win = "ME"; 125 } else { 126 system.win = RegExp["$1"]; 127 } 128 } 129 } 130 131 //mobile device 132 system.iphone = ua.indexOf("iphone") > -1; 133 system.ipod = ua.indexOf("ipod") > -1; 134 system.nokiaN = ua.indexOf("NokiaN") > -1; 135 system.winMobile = (system.win == "CE"); 136 system.macMobile = (system.iphone || system.ipod); 137 138 //game system 139 system.wii = ua.indexOf("wii") > -1; 140 system.ps = /playstation/i.test(ua); 141 142 //return these object 143 return { 144 engine: engine, 145 browser: browser, 146 system:system 147 }; 148 } ();