Created
November 21, 2014 06:38
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fixed the Jquery 1.9.1 can not found browser object
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(function(jQuery){ | |
if(jQuery.browser) return; | |
jQuery.browser = {}; | |
jQuery.browser.mozilla = false; | |
jQuery.browser.webkit = false; | |
jQuery.browser.opera = false; | |
jQuery.browser.msie = false; | |
var nAgt = navigator.userAgent; | |
jQuery.browser.name = navigator.appName; | |
jQuery.browser.fullVersion = ''+parseFloat(navigator.appVersion); | |
jQuery.browser.majorVersion = parseInt(navigator.appVersion,10); | |
var nameOffset,verOffset,ix; | |
// In Opera, the true version is after "Opera" or after "Version" | |
if ((verOffset=nAgt.indexOf("Opera"))!=-1) { | |
jQuery.browser.opera = true; | |
jQuery.browser.name = "Opera"; | |
jQuery.browser.fullVersion = nAgt.substring(verOffset+6); | |
if ((verOffset=nAgt.indexOf("Version"))!=-1) | |
jQuery.browser.fullVersion = nAgt.substring(verOffset+8); | |
} | |
// In MSIE, the true version is after "MSIE" in userAgent | |
else if ((verOffset=nAgt.indexOf("Trident"))!=-1 || (verOffset=nAgt.indexOf("msie"))!=-1) { | |
jQuery.browser.msie = true; | |
jQuery.browser.name = "Microsoft Internet Explorer"; | |
jQuery.browser.fullVersion = nAgt.substring(verOffset+5); | |
} | |
// In Chrome, the true version is after "Chrome" | |
else if ((verOffset=nAgt.indexOf("Chrome"))!=-1) { | |
jQuery.browser.webkit = true; | |
jQuery.browser.name = "Chrome"; | |
jQuery.browser.fullVersion = nAgt.substring(verOffset+7); | |
} | |
// In Safari, the true version is after "Safari" or after "Version" | |
else if ((verOffset=nAgt.indexOf("Safari"))!=-1) { | |
jQuery.browser.webkit = true; | |
jQuery.browser.name = "Safari"; | |
jQuery.browser.fullVersion = nAgt.substring(verOffset+7); | |
if ((verOffset=nAgt.indexOf("Version"))!=-1) | |
jQuery.browser.fullVersion = nAgt.substring(verOffset+8); | |
} | |
// In Firefox, the true version is after "Firefox" | |
else if ((verOffset=nAgt.indexOf("Firefox"))!=-1) { | |
jQuery.browser.mozilla = true; | |
jQuery.browser.name = "Firefox"; | |
jQuery.browser.fullVersion = nAgt.substring(verOffset+8); | |
} | |
// In most other browsers, "name/version" is at the end of userAgent | |
else if ( (nameOffset=nAgt.lastIndexOf(' ')+1) < | |
(verOffset=nAgt.lastIndexOf('/')) ) | |
{ | |
jQuery.browser.name = nAgt.substring(nameOffset,verOffset); | |
jQuery.browser.fullVersion = nAgt.substring(verOffset+1); | |
if (jQuery.browser.name.toLowerCase()==jQuery.browser.name.toUpperCase()) { | |
jQuery.browser.name = navigator.appName; | |
} | |
} | |
// trim the fullVersion string at semicolon/space if present | |
if ((ix=jQuery.browser.fullVersion.indexOf(";"))!=-1) | |
jQuery.browser.fullVersion=jQuery.browser.fullVersion.substring(0,ix); | |
if ((ix=jQuery.browser.fullVersion.indexOf(" "))!=-1) | |
jQuery.browser.fullVersion=jQuery.browser.fullVersion.substring(0,ix); | |
jQuery.browser.majorVersion = parseInt(''+jQuery.browser.fullVersion,10); | |
if (isNaN(jQuery.browser.majorVersion)) { | |
jQuery.browser.fullVersion = ''+parseFloat(navigator.appVersion); | |
jQuery.browser.majorVersion = parseInt(navigator.appVersion,10); | |
} | |
jQuery.browser.version = jQuery.browser.majorVersion; | |
})(jQuery); |
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