// A simple way to check for HTML strings or ID strings
// (both of which we optimize for)
- quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w-]+)$/,
+ quickExpr = /^[^<]*(<[\w\W]+>)[^>]*$|^#([\w\-]+)$/,
// Is it a simple selector
isSimple = /^.[^:#\[\.,]*$/,
rnotwhite = /\S/,
// Used for trimming whitespace
- rtrim = /^(\s|\u00A0)+|(\s|\u00A0)+$/g,
+ trimLeft = /^\s+/,
+ trimRight = /\s+$/,
// Match a standalone tag
rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
hasOwn = Object.prototype.hasOwnProperty,
push = Array.prototype.push,
slice = Array.prototype.slice,
+ trim = String.prototype.trim,
indexOf = Array.prototype.indexOf;
jQuery.fn = jQuery.prototype = {
return object;
},
- trim: function( text ) {
- return (text || "").replace( rtrim, "" );
- },
+ // Use native String.trim function wherever possible
+ trim: trim ?
+ function( text ) {
+ return text == null ?
+ "" :
+ trim.call( text );
+ } :
+
+ // Otherwise use our own trimming functionality
+ function( text ) {
+ return text == null ?
+ "" :
+ text.toString().replace( trimLeft, "" ).replace( trimRight, "" );
+ },
// results is for internal usage only
makeArray: function( array, results ) {
},
grep: function( elems, callback, inv ) {
- var ret = [];
+ var ret = [], retVal;
+ inv = !!inv;
// Go through the array, only saving the items
// that pass the validator function
for ( var i = 0, length = elems.length; i < length; i++ ) {
- if ( !inv !== !callback( elems[ i ], i ) ) {
+ retVal = !!callback( elems[ i ], i );
+ if ( inv !== retVal ) {
ret.push( elems[ i ] );
}
}
};
}
+// Verify that \s matches non-breaking spaces
+// (IE fails on this test)
+if ( !/\s/.test( "\xA0" ) ) {
+ trimLeft = /^[\s\xA0]+/;
+ trimRight = /[\s\xA0]+$/;
+}
+
// All jQuery objects should point back to these
rootjQuery = jQuery(document);
// If IE is used, use the trick by Diego Perini
// http://javascript.nwbox.com/IEContentLoaded/
document.documentElement.doScroll("left");
- } catch( error ) {
+ } catch(e) {
setTimeout( doScrollCheck, 1 );
return;
}