From f06e0e5575bc8f82d0fcbd5880bb9d8ccf361bfa Mon Sep 17 00:00:00 2001
From: jeresig <jeresig@gmail.com>
Date: Sat, 23 Jan 2010 21:20:19 -0500
Subject: [PATCH] Expose cleanData, make sure that all bound event handlers
 are properly cleaned up after html/empty/remove. Fixes
 #5856 and #5906.

---
 src/manipulation.js       |   23 +++++++--------
 test/unit/manipulation.js |   70 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 81 insertions(+), 12 deletions(-)

diff --git a/src/manipulation.js b/src/manipulation.js
index 59edcbc..401cf86 100644
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -193,7 +193,7 @@ jQuery.fn.extend({
 				for ( var i = 0, l = this.length; i < l; i++ ) {
 					// Remove element nodes and prevent memory leaks
 					if ( this[i].nodeType === 1 ) {
-						cleanData( this[i].getElementsByTagName("*") );
+						jQuery.cleanData( this[i].getElementsByTagName("*") );
 						this[i].innerHTML = value;
 					}
 				}
@@ -373,8 +373,8 @@ jQuery.each({
 	remove: function( selector, keepData ) {
 		if ( !selector || jQuery.filter( selector, [ this ] ).length ) {
 			if ( !keepData && this.nodeType === 1 ) {
-				cleanData( this.getElementsByTagName("*") );
-				cleanData( [ this ] );
+				jQuery.cleanData( this.getElementsByTagName("*") );
+				jQuery.cleanData( [ this ] );
 			}
 
 			if ( this.parentNode ) {
@@ -386,7 +386,7 @@ jQuery.each({
 	empty: function() {
 		// Remove element nodes and prevent memory leaks
 		if ( this.nodeType === 1 ) {
-			cleanData( this.getElementsByTagName("*") );
+			jQuery.cleanData( this.getElementsByTagName("*") );
 		}
 
 		// Remove any remaining nodes
@@ -493,13 +493,12 @@ jQuery.extend({
 		}
 
 		return ret;
-	}
-});
-
-function cleanData( elems ) {
-	for ( var i = 0, elem, id; (elem = elems[i]) != null; i++ ) {
-		if ( !jQuery.noData[elem.nodeName.toLowerCase()] && (id = elem[expando]) ) {
-			delete jQuery.cache[ id ];
+	},
+	
+	cleanData: function( elems ) {
+		for ( var i = 0, elem, id; (elem = elems[i]) != null; i++ ) {
+			jQuery.event.remove( elem );
+			jQuery.removeData( elem );
 		}
 	}
-}
+});
\ No newline at end of file
diff --git a/test/unit/manipulation.js b/test/unit/manipulation.js
index e387d64..7db8d5b 100644
--- a/test/unit/manipulation.js
+++ b/test/unit/manipulation.js
@@ -971,3 +971,73 @@ test("empty()", function() {
 	equals( j.html(), "", "Check node,textnode,comment empty works" );
 });
 
+test("jQuery.cleanData", function() {
+	expect(10);
+	
+	var type, pos, div, child;
+	
+	type = "remove";
+	
+	// Should trigger 4 remove event
+	div = getDiv().remove();
+	
+	// Should both do nothing
+	pos = "Outer";
+	div.trigger("click");
+	
+	pos = "Inner";
+	div.children().trigger("click");
+	
+	type = "empty";
+	div = getDiv();
+	child = div.children();
+	
+	// Should trigger 2 remove event
+	div.empty();
+	
+	// Should trigger 1
+	pos = "Outer";
+	div.trigger("click");
+	
+	// Should do nothing
+	pos = "Inner";
+	child.trigger("click");
+	
+	type = "html";
+	
+	div = getDiv();
+	child = div.children();
+	
+	// Should trigger 2 remove event
+	div.html("<div></div>");
+	
+	// Should trigger 1
+	pos = "Outer";
+	div.trigger("click");
+	
+	// Should do nothing
+	pos = "Inner";
+	child.trigger("click");
+	
+	function getDiv() {
+		var div = jQuery("<div class='outer'><div class='inner'></div></div>").click(function(){
+			ok( true, type + " " + pos + " Click event fired." );
+		}).focus(function(){
+			ok( true, type + " " + pos + " Focus event fired." );
+		}).find("div").click(function(){
+			ok( false, type + " " + pos + " Click event fired." );
+		}).focus(function(){
+			ok( false, type + " " + pos + " Focus event fired." );
+		}).end().appendTo("body");
+		
+		div[0].detachEvent = div[0].removeEventListener = function(t){
+			ok( true, type + " Outer " + t + " event unbound" );
+		};
+		
+		div[0].firstChild.detachEvent = div[0].firstChild.removeEventListener = function(t){
+			ok( true, type + " Inner " + t + " event unbound" );
+		};
+		
+		return div;
+	}
+});
\ No newline at end of file
-- 
1.7.10.4