From 654d946ead6bc1f995c04af2abc02da30cfe4f74 Mon Sep 17 00:00:00 2001
From: Ariel Flesler <aflesler@gmail.com>
Date: Thu, 25 Dec 2008 20:13:42 +0000
Subject: [PATCH] jquery fx: Closes #3219. jQuery.fn.toggle can accept a
 boolean argument indicating show/hide.

---
 src/fx.js       | 13 ++++++++-----
 test/unit/fx.js |  9 ++++++++-
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/src/fx.js b/src/fx.js
index 626119bc..2d6433dd 100644
--- a/src/fx.js
+++ b/src/fx.js
@@ -57,15 +57,18 @@ jQuery.fn.extend({
 	_toggle: jQuery.fn.toggle,
 
 	toggle: function( fn, fn2 ){
+		var bool = typeof fn === "boolean";
+
 		return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
 			this._toggle.apply( this, arguments ) :
-			fn ?
+			fn == null || bool ?
+				this.each(function(){
+					var state = bool ? fn : jQuery(this).is(":hidden");
+					jQuery(this)[ state ? "show" : "hide" ]();
+				}) :
 				this.animate({
 					height: "toggle", width: "toggle", opacity: "toggle"
-				}, fn, fn2) :
-				this.each(function(){
-					jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
-				});
+				}, fn, fn2);
 	},
 
 	fadeTo: function(speed,to,callback){
diff --git a/test/unit/fx.js b/test/unit/fx.js
index f8b63835..8af92979 100644
--- a/test/unit/fx.js
+++ b/test/unit/fx.js
@@ -155,13 +155,20 @@ test("stop(clearQueue, gotoEnd)", function() {
 });
 
 test("toggle()", function() {
-	expect(3);
+	expect(6);
 	var x = jQuery("#foo");
 	ok( x.is(":visible"), "is visible" );
 	x.toggle();
 	ok( x.is(":hidden"), "is hidden" );
 	x.toggle();
 	ok( x.is(":visible"), "is visible again" );
+	
+	x.toggle(true);
+	ok( x.is(":visible"), "is visible" );
+	x.toggle(false);
+	ok( x.is(":hidden"), "is hidden" );
+	x.toggle(true);
+	ok( x.is(":visible"), "is visible again" );
 });
 
 var visible = {