mirror of
https://github.com/jquery/jquery.git
synced 2024-11-23 02:54:22 +00:00
124 lines
3.5 KiB
JavaScript
124 lines
3.5 KiB
JavaScript
jQuery.winnow = function( elements, qualifier, keep ) {
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if(jQuery.isFunction( qualifier )) {
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return jQuery.grep(elements, function(elem, i) {
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return !!qualifier.call( elem, i ) === keep;
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});
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} else if( qualifier.nodeType ) {
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return jQuery.grep(elements, function(elem, i) {
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return (elem === qualifier) === keep;
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})
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} else if( typeof qualifier === "string" ) {
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var filtered = jQuery.grep(elements, function(elem) { return elem.nodeType === 1 });
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if(isSimple.test( qualifier )) return jQuery.multiFilter(qualifier, filtered, !keep);
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else qualifier = jQuery.multiFilter( qualifier, elements );
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}
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return jQuery.grep(elements, function(elem, i) {
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return (jQuery.inArray( elem, qualifier ) >= 0) === keep;
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});
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}
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jQuery.fn.extend({
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find: function( selector ) {
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var ret = this.pushStack( "", "find", selector ), length = 0;
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for ( var i = 0, l = this.length; i < l; i++ ) {
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length = ret.length;
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jQuery.find( selector, this[i], ret );
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if ( i > 0 ) {
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// Make sure that the results are unique
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for ( var n = length; n < ret.length; n++ ) {
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for ( var r = 0; r < length; r++ ) {
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if ( ret[r] === ret[n] ) {
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ret.splice(n--, 1);
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break;
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}
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}
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}
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}
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}
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return ret;
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},
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not: function( selector ) {
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return this.pushStack( jQuery.winnow(this, selector, false), "not", selector);
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},
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filter: function( selector ) {
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return this.pushStack( jQuery.winnow(this, selector, true), "filter", selector );
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},
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closest: function( selector, context ) {
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var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null,
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closer = 0;
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return this.map(function(){
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var cur = this;
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while ( cur && cur.ownerDocument && cur !== context ) {
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if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) {
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jQuery.data(cur, "closest", closer);
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return cur;
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}
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cur = cur.parentNode;
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closer++;
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}
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});
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},
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add: function( selector ) {
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return this.pushStack( jQuery.unique( jQuery.merge(
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this.get(),
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typeof selector === "string" ?
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jQuery( selector ) :
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jQuery.makeArray( selector )
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)));
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},
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eq: function( i ) {
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return this.slice( i, +i + 1 );
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},
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slice: function() {
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return this.pushStack( Array.prototype.slice.apply( this, arguments ),
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"slice", Array.prototype.slice.call(arguments).join(",") );
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},
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map: function( callback ) {
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return this.pushStack( jQuery.map(this, function(elem, i){
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return callback.call( elem, i, elem );
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}));
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},
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andSelf: function() {
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return this.add( this.prevObject );
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},
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end: function() {
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return this.prevObject || jQuery(null);
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}
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});
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jQuery.each({
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parent: function(elem){return elem.parentNode;},
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parents: function(elem){return jQuery.dir(elem,"parentNode");},
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next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
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prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
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nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
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prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
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siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
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children: function(elem){return jQuery.sibling(elem.firstChild);},
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contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
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}, function(name, fn){
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jQuery.fn[ name ] = function( selector ) {
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var ret = jQuery.map( this, fn );
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if ( selector && typeof selector == "string" )
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ret = jQuery.multiFilter( selector, ret );
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return this.pushStack( jQuery.unique( ret ), name, selector );
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};
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});
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