rparentsprev = /^(?:parents|prevUntil|prevAll)/,
// Note: This RegExp should be improved, or likely pulled from Sizzle
rmultiselector = /,/,
- rchild = /^\s*>/,
isSimple = /^.[^:#\[\.,]*$/,
- slice = Array.prototype.slice;
-
-var POS = jQuery.expr.match.POS;
+ slice = Array.prototype.slice,
+ POS = jQuery.expr.match.POS,
+ // methods guaranteed to produce a unique set when starting from a unique set
+ guaranteedUnique = {
+ children: true,
+ contents: true,
+ next: true,
+ prev: true
+ };
jQuery.fn.extend({
find: function( selector ) {
- // Handle "> div" child selectors and pass them to .children()
- if ( typeof selector === "string" && rchild.test( selector ) ) {
- return this.children( selector.replace( rchild, "" ) );
- }
-
- var ret = this.pushStack( "", "find", selector ), length = 0;
+ var ret = this.pushStack( "", "find", selector ),
+ length = 0;
for ( var i = 0, l = this.length; i < l; i++ ) {
length = ret.length;
filter: function( selector ) {
return this.pushStack( winnow(this, selector, true), "filter", selector );
},
-
+
is: function( selector ) {
return !!selector && jQuery.filter( selector, this ).length > 0;
},
closest: function( selectors, context ) {
- var ret;
+ var ret = [], i, l, cur = this[0];
if ( jQuery.isArray( selectors ) ) {
- var cur = this[0], match, matches = {}, selector, level = 1;
- ret = [];
+ var match, selector,
+ matches = {},
+ level = 1;
if ( cur && selectors.length ) {
- for ( var i = 0, l = selectors.length; i < l; i++ ) {
+ for ( i = 0, l = selectors.length; i < l; i++ ) {
selector = selectors[i];
if ( !matches[selector] ) {
- matches[selector] = jQuery.expr.match.POS.test( selector ) ?
+ matches[selector] = jQuery.expr.match.POS.test( selector ) ?
jQuery( selector, context || this.context ) :
selector;
}
return ret;
}
- var pos = POS.test( selectors ) ?
+ var pos = POS.test( selectors ) ?
jQuery( selectors, context || this.context ) : null;
- var ret = [];
-
- for ( var i = 0, j = this.length; i < j; i++ ) {
- var cur = this[i];
+ for ( i = 0, l = this.length; i < l; i++ ) {
+ cur = this[i];
while ( cur ) {
- if ( pos ? pos.index(cur) > -1 : jQuery.find.matches(selectors, cur) ) {
+ if ( pos ? pos.index(cur) > -1 : jQuery.find.matchesSelector(cur, selectors) ) {
ret.push( cur );
break;
} else {
cur = cur.parentNode;
- if ( !cur.ownerDocument || cur === context ) {
+ if ( !cur || !cur.ownerDocument || cur === context ) {
break;
}
}
}
ret = ret.length > 1 ? jQuery.unique(ret) : ret;
-
+
return this.pushStack( ret, "closest", selectors );
},
-
+
// Determine the position of an element within
// the matched set of elements
index: function( elem ) {
add: function( selector, context ) {
var set = typeof selector === "string" ?
- jQuery( selector, context || this.context ) :
+ jQuery( selector, context ) :
jQuery.makeArray( selector ),
all = jQuery.merge( this.get(), set );
}
}, function( name, fn ) {
jQuery.fn[ name ] = function( until, selector ) {
- var ret = jQuery.map( this, fn, until );
-
+ var ret = jQuery.map( this, fn, until ),
+ // The variable 'args' was introduced in
+ // https://github.com/jquery/jquery/commit/52a0238
+ // to work around a bug in Chrome 10 (Dev) and should be removed when the bug is fixed.
+ // http://code.google.com/p/v8/issues/detail?id=1050
+ args = slice.call(arguments);
+
if ( !runtil.test( name ) ) {
selector = until;
}
ret = jQuery.filter( selector, ret );
}
- ret = this.length > 1 ? jQuery.unique( ret ) : ret;
+ ret = this.length > 1 && !guaranteedUnique[ name ] ? jQuery.unique( ret ) : ret;
if ( (this.length > 1 || rmultiselector.test( selector )) && rparentsprev.test( name ) ) {
ret = ret.reverse();
}
- return this.pushStack( ret, name, slice.call(arguments).join(",") );
+ return this.pushStack( ret, name, args.join(",") );
};
});
expr = ":not(" + expr + ")";
}
- return jQuery.find.matches(expr, elems);
+ return elems.length === 1 ?
+ jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
+ jQuery.find.matches(expr, elems);
},
-
+
dir: function( elem, dir, until ) {
- var matched = [], cur = elem[dir];
+ var matched = [],
+ cur = elem[ dir ];
+
while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
if ( cur.nodeType === 1 ) {
matched.push( cur );