Adds detach()

src/manipulation.js

@@ -249,18 +249,21 @@ jQuery.each({
 });
 
 jQuery.each({
-	remove: function( selector ) {
+	// keepData is for internal use only--do not document
+	remove: function( selector, keepData ) {
 		if ( !selector || jQuery.multiFilter( selector, [ this ] ).length ) {
-			if ( this.nodeType === 1 ) {
+			if ( !keepData && this.nodeType === 1 ) {
 				cleanData( jQuery("*", this).add(this) );
 			}
 
-			if ( this.parentNode ) {
-				this.parentNode.removeChild( this );
-			}
+			this.parentNode && this.parentNode.removeChild( this );
 		}
 	},
 
+	detach: function( selector ) {
+		jQuery( this ).remove( selector, true )
+	},
+
 	empty: function() {
 		// Remove element nodes and prevent memory leaks
 		if ( this.nodeType === 1 ) {

test/unit/manipulation.js

@@ -677,24 +677,46 @@ test("text(Function)", function() {
 	testText(functionReturningObj);
 })
 
-test("remove()", function() {
-	expect(7);
-	jQuery("#ap").children().remove();
+var testRemove = function(method) {
+	expect(9);
+
+	var first = jQuery("#ap").children(":first");
+	first.data("foo", "bar");
+
+	jQuery("#ap").children()[method]();
 	ok( jQuery("#ap").text().length > 10, "Check text is not removed" );
 	equals( jQuery("#ap").children().length, 0, "Check remove" );
 
+	equals( first.data("foo"), method == "remove" ? null : "bar" );
+
 	reset();
-	jQuery("#ap").children().remove("a");
+	jQuery("#ap").children()[method]("a");
 	ok( jQuery("#ap").text().length > 10, "Check text is not removed" );
 	equals( jQuery("#ap").children().length, 1, "Check filtered remove" );
 
-	jQuery("#ap").children().remove("a, code");
+	jQuery("#ap").children()[method]("a, code");
 	equals( jQuery("#ap").children().length, 0, "Check multi-filtered remove" );
 
 	// using contents will get comments regular, text, and comment nodes
 	equals( jQuery("#nonnodes").contents().length, 3, "Check node,textnode,comment remove works" );
-	jQuery("#nonnodes").contents().remove();
+	jQuery("#nonnodes").contents()[method]();
 	equals( jQuery("#nonnodes").contents().length, 0, "Check node,textnode,comment remove works" );
+
+	reset();
+
+	var count = 0;
+	var first = jQuery("#ap").children(":first");
+	first.click(function() { count++ })[method]().appendTo("body").click();
+
+	equals( method == "remove" ? 0 : 1, count );
+};
+
+test("remove()", function() {
+	testRemove("remove");
+});
+
+test("detach()", function() {
+	testRemove("detach");
 });
 
 test("empty()", function() {