Created
February 15, 2013 08:31
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[js]環境判定
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(function() { | |
var _win = window, | |
_ua = navigator.userAgent, | |
_env = { | |
ua : _ua, | |
windows: '', | |
mac : 0, | |
android: 0, | |
ios : 0, | |
ie : 0, | |
ff : 0, | |
webkit : 0, | |
chrome : 0, | |
safari : 0, | |
opera : 0, | |
mobile : false, // not tablet | |
ipad : false | |
}; | |
function getVersion(pattern, defaultVersion) { | |
return parseFloat(_ua.split(pattern)[1].replace('_', '.')) || defaultVersion || 0; | |
} | |
// user agent | |
// http://www.openspc2.org/userAgent/ | |
// OS | |
if (/windows /i.test(_ua)) { | |
// http://msdn.microsoft.com/en-us/library/ms537503%28v=vs.85%29.aspx | |
var v = getVersion(/Windows NT /i); | |
_env.windows = v == 6.2 ? '8' : | |
v == 6.1 ? '7' : | |
v == 6 ? 'Vista' : | |
//v == 5.2 ? '2003' | |
v == 5.1 ? 'XP' : | |
v == 5.01 ? '2000' : 'others' | |
} else if (/Macintosh/i.test(_ua)) { | |
_env.mac = getVersion(/Mac OS X /, 1); | |
} else if (/android/i.test(_ua)) { | |
_env.android = getVersion(/android /i); | |
_env.mobile = /mobile/i.test(_ua); | |
} else if (/iphone|ipad|ipod/i.test(_ua)) { | |
_env.ios = getVersion(/OS /, 1); | |
_env.ipad = /ipad/i.test(_ua); | |
_env.mobile = true; | |
} | |
// browser | |
if (/msie/i.test(_ua)) { | |
_env.ie = getVersion(/MSIE /); | |
_env.mobile = /IEMobile/i.test(_ua); // Windows Phone OS | |
} else if (/Firefox\//i.test(_ua)) { | |
_env.ff = getVersion(/Firefox\//i); | |
} else if (/WebKit/i.test(_ua)) { | |
_env.webkit = getVersion(/AppleWebKit\//i); | |
if (/Chrome/i.test(_ua)) { | |
_env.chrome = getVersion(/Chrome\//i); | |
} else if (/safari\//i.test(_ua)) { | |
_env.safari = getVersion(/Version\//i); | |
} | |
} else if (window.opera) { | |
_env.opera = parseFloat(window.opera.version()); | |
} | |
_win.Env = _env; | |
})(); |
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