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Added support for .closest(filter, DOMElement). Fixes #4072.

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This commit is contained in:
John Resig 2009-07-28 12:28:59 +00:00
parent 61b18c866c
commit d6991fa273
2 changed files with 9 additions and 3 deletions
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4
src/traversing.js
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@ -51,13 +51,13 @@ jQuery.fn.extend({
return this.pushStack( jQuery.winnow(this, selector, true), "filter", selector ); return this.pushStack( jQuery.winnow(this, selector, true), "filter", selector );
}, },
closest: function( selector ) { closest: function( selector, context ) {
var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null, var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null,
closer = 0; closer = 0;
return this.map(function(){ return this.map(function(){
var cur = this; var cur = this;
while ( cur && cur.ownerDocument ) { while ( cur && cur.ownerDocument && cur !== context ) {
if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) { if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) {
jQuery.data(cur, "closest", closer); jQuery.data(cur, "closest", closer);
return cur; return cur;

8
test/unit/traversing.js
View File

@ -91,7 +91,7 @@ test("filter(jQuery)", function() {
}) })
test("closest()", function() { test("closest()", function() {
expect(6); expect(9);
isSet( jQuery("body").closest("body").get(), q("body"), "closest(body)" ); isSet( jQuery("body").closest("body").get(), q("body"), "closest(body)" );
isSet( jQuery("body").closest("html").get(), q("html"), "closest(html)" ); isSet( jQuery("body").closest("html").get(), q("html"), "closest(html)" );
isSet( jQuery("body").closest("div").get(), [], "closest(div)" ); isSet( jQuery("body").closest("div").get(), [], "closest(div)" );
@ -99,6 +99,12 @@ test("closest()", function() {
isSet( jQuery("div:eq(1)").closest("div:first").get(), [], "closest(div:first)" ); isSet( jQuery("div:eq(1)").closest("div:first").get(), [], "closest(div:first)" );
isSet( jQuery("div").closest("body:first div:last").get(), q("fx-tests"), "closest(body:first div:last)" ); isSet( jQuery("div").closest("body:first div:last").get(), q("fx-tests"), "closest(body:first div:last)" );
// Test .closest() limited by the context
var jq = jQuery("#nothiddendivchild");
isSet( jq.closest("html", document.body).get(), [], "Context limited." );
isSet( jq.closest("body", document.body).get(), [], "Context limited." );
isSet( jq.closest("#nothiddendiv", document.body).get(), q("nothiddendiv"), "Context not reached." );
}); });
test("not(Selector)", function() { test("not(Selector)", function() {