Rewrite of jQuery.browser to become engine-centric, rather than browser-centric. Also attempt to determine the engine version in a smarter fashion, less prone to error. Finally, enhanced the test suite with 255 useragent strings from http://user-agent-string.info/download for testing. jQuery.browser.safari is now deprecated, use jQuery.browser.webkit instead.

This commit is contained in:
jeresig 2010-01-05 17:01:20 -05:00
parent 3f648c4e3a
commit ffb1867a43
3 changed files with 312 additions and 43 deletions

View file

@ -33,7 +33,10 @@ var jQuery = function( selector, context ) {
rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
// Keep a UserAgent string for use with jQuery.browser
userAgent = navigator.userAgent.toLowerCase(),
userAgent = navigator.userAgent,
// For matching the engine and version of thte browser
browserMatch,
// Has the ready events already been bound?
readyBound = false,
@ -618,17 +621,42 @@ jQuery.extend({
// Use of jQuery.browser is frowned upon.
// More details: http://docs.jquery.com/Utilities/jQuery.browser
browser: {
version: (/.*?(?:firefox|safari|opera|msie)[\/ ]([\d.]+)/.exec(userAgent) || [0,"0"])[1],
safari: /safari/.test( userAgent ),
opera: /opera/.test( userAgent ),
msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
firefox: /firefox/.test( userAgent )
}
uaMatch: function( ua ) {
var ret = { browser: "" };
ua = ua.toLowerCase();
if ( /webkit/.test( ua ) ) {
ret = { browser: "webkit", version: /webkit[\/ ]([\w.]+)/ };
} else if ( /opera/.test( ua ) ) {
ret = { browser: "opera", version: /opera[\/ ]([\w.]+)/ };
} else if ( /msie/.test( ua ) ) {
ret = { browser: "msie", version: /msie ([\w.]+)/ };
} else if ( /mozilla/.test( ua ) && !/compatible/.test( ua ) ) {
ret = { browser: "mozilla", version: /rv:([\w.]+)/ };
}
ret.version = (ret.version && ret.version.exec( ua ) || [0, "0"])[1];
return ret;
},
browser: {}
});
// Deprecated
jQuery.browser.mozilla = /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent );
browserMatch = jQuery.uaMatch( userAgent );
if ( browserMatch.browser ) {
jQuery.browser[ browserMatch.browser ] = true;
jQuery.browser.version = browserMatch.version;
}
// Deprecated, use jQuery.browser.webkit instead
if ( jQuery.browser.webkit ) {
jQuery.browser.safari = true;
}
if ( indexOf ) {
jQuery.inArray = function( elem, array ) {