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Added support for the new .closest() method (very useful for event delegation).
author
John Resig
<jeresig@gmail.com>
Mon, 22 Dec 2008 00:52:53 +0000
(
00:52
+0000)
committer
John Resig
<jeresig@gmail.com>
Mon, 22 Dec 2008 00:52:53 +0000
(
00:52
+0000)
src/core.js
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test/unit/core.js
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diff --git
a/src/core.js
b/src/core.js
index
7ddb2c5
..
ff8114b
100644
(file)
--- a/
src/core.js
+++ b/
src/core.js
@@
-338,6
+338,17
@@
jQuery.fn = jQuery.prototype = {
}) ), "filter", selector );
},
}) ), "filter", selector );
},
+ closest: function( selector ) {
+ return this.map(function(){
+ var cur = this;
+ while ( cur && cur.ownerDocument ) {
+ if ( jQuery(cur).is(selector) )
+ return cur;
+ cur = cur.parentNode;
+ }
+ });
+ },
+
not: function( selector ) {
if ( typeof selector === "string" )
// test special case where just one selector is passed in
not: function( selector ) {
if ( typeof selector === "string" )
// test special case where just one selector is passed in
diff --git
a/test/unit/core.js
b/test/unit/core.js
index
536e58c
..
1ae2dfa
100644
(file)
--- a/
test/unit/core.js
+++ b/
test/unit/core.js
@@
-1309,6
+1309,14
@@
test("filter()", function() {
equals( j.filter("[name]").length, 0, "Check node,textnode,comment to filter the one span" );
});
equals( j.filter("[name]").length, 0, "Check node,textnode,comment to filter the one span" );
});
+test("closest()", function() {
+ expect(4);
+ isSet( jQuery("body").closest("body").get(), q("body"), "closest(body)" );
+ isSet( jQuery("body").closest("html").get(), q("html"), "closest(html)" );
+ isSet( jQuery("body").closest("div").get(), [], "closest(div)" );
+ isSet( jQuery("#main").closest("span,#html").get(), q("html"), "closest(span,#html)" );
+});
+
test("not()", function() {
expect(8);
equals( jQuery("#main > p#ap > a").not("#google").length, 2, "not('selector')" );
test("not()", function() {
expect(8);
equals( jQuery("#main > p#ap > a").not("#google").length, 2, "not('selector')" );