Adding in .unwrap() support, thanks to Ben Alman! Fixes #5191.

jeresig · jeresig · commit 69e6e53555f2 · 2009-09-25T21:41:21.000Z
diff --git a/src/manipulation.js b/src/manipulation.js
@@ -90,6 +90,14 @@ jQuery.fn.extend({
 		});
 	},
 
+	unwrap: function() {
+		return this.parent().each(function(){
+			if ( !jQuery.nodeName( this, "body" ) ) {
+				jQuery( this ).replaceWith( this.childNodes );
+			}
+		}).end();
+	},
+	
 	append: function() {
 		return this.domManip(arguments, true, function(elem){
 			if ( this.nodeType === 1 ) {
diff --git a/test/unit/manipulation.js b/test/unit/manipulation.js
@@ -116,6 +116,37 @@ test("wrapInner(String|Element)", function() {
 // 	testWrapInner(functionReturningObj)
 // })
 
+var testUnwrap = function() {
+	expect(9);
+
+	jQuery("body").append('  <div id="unwrap" style="display: none;"> <div id="unwrap1"> <span class="unwrap">a</span> <span class="unwrap">b</span> </div> <div id="unwrap2"> <span class="unwrap">c</span> <span class="unwrap">d</span> </div> <div id="unwrap3"> <b><span class="unwrap unwrap3">e</span></b> <b><span class="unwrap unwrap3">f</span></b> </div> </div>');
+
+	var abcd = jQuery('#unwrap1 > span, #unwrap2 > span').get(),
+		abcdef = jQuery('#unwrap span').get();
+
+	equals( jQuery('#unwrap1 span, #unwrap2 span:first').unwrap().length, 3, 'make #unwrap1 and #unwrap2 go away' );
+	same( jQuery('#unwrap > span').get(), abcd, 'all four spans should still exist' );
+
+	same( jQuery('#unwrap3 span').unwrap().get(), jQuery('#unwrap3 > span').get(), 'make all b in #unwrap3 go away' );
+
+	same( jQuery('#unwrap3 span').unwrap().get(), jQuery('#unwrap > span.unwrap3').get(), 'make #unwrap3 go away' );
+
+	same( jQuery('#unwrap').children().get(), abcdef, '#unwrap only contains 6 child spans' );
+
+	same( jQuery('#unwrap > span').unwrap().get(), jQuery('body > span.unwrap').get(), 'make the 6 spans become children of body' );
+
+	same( jQuery('body > span.unwrap').unwrap().get(), jQuery('body > span.unwrap').get(), 'can\'t unwrap children of body' );
+	same( jQuery('body > span.unwrap').unwrap().get(), abcdef, 'can\'t unwrap children of body' );
+
+	same( jQuery('body > span.unwrap').get(), abcdef, 'body contains 6 .unwrap child spans' );
+
+	jQuery('body > span.unwrap').remove();
+}
+
+test("unwrap()", function() {
+	testUnwrap();
+});
+
 var testAppend = function(valueObj) {
 	expect(21);
 	var defaultText = 'Try them out:'
