rmultiselector = /,/,
isSimple = /^.[^:#\[\.,]*$/,
slice = Array.prototype.slice,
- POS = jQuery.expr.match.POS;
+ 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 ) {
filter: function( selector ) {
return this.pushStack( winnow(this, selector, true), "filter", selector );
},
-
+
is: function( selector ) {
return !!selector && jQuery.filter( selector, this ).length > 0;
},
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;
for ( i = 0, l = this.length; i < l; i++ ) {
}
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 ) {
}
}, 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(",") );
};
});
jQuery.find.matchesSelector(elems[0], expr) ? [ elems[0] ] : [] :
jQuery.find.matches(expr, elems);
},
-
+
dir: function( elem, dir, until ) {
var matched = [],
cur = elem[ dir ];