mirror of
https://github.com/jquery/jquery.git
synced 2024-10-05 11:34:18 +00:00
120 lines
3.4 KiB
JavaScript
120 lines
3.4 KiB
JavaScript
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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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filter: function( selector ) {
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return this.pushStack(
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jQuery.isFunction( selector ) &&
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jQuery.grep(this, function(elem, i){
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return selector.call( elem, i );
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}) ||
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jQuery.multiFilter( selector, jQuery.grep(this, function(elem){
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return elem.nodeType === 1;
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}) ), "filter", selector );
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},
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closest: function( selector ) {
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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 ) {
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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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not: function( selector ) {
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if ( typeof selector === "string" )
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// test special case where just one selector is passed in
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if ( isSimple.test( selector ) )
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return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector );
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else
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selector = jQuery.multiFilter( selector, this );
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var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
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return this.filter(function() {
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return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
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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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