From c95ab2a39c178eee47ce7b1cbdffa812d7914bb6 Mon Sep 17 00:00:00 2001
From: louisremi <louisremi@louisremi-laptop.(none)>
Date: Wed, 2 Feb 2011 11:25:09 +0100
Subject: [PATCH] first tick should not occur immediatly; no tick should happen
 after a stop() + comments

---
 src/effects.js | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/effects.js b/src/effects.js
index 12b87bd4e..e5a10295c 100644
--- a/src/effects.js
+++ b/src/effects.js
@@ -363,17 +363,16 @@ jQuery.fx.prototype = {
 		t.elem = this.elem;
 
 		if ( t() && jQuery.timers.push(t) && !timerId ) {
-			if ( jQuery.support.requestAnimationFrame ) {
-				timerId = true;
-				(function raf() {
+			// Use requestAnimationFrame instead of setInterval if available
+			( timerId = jQuery.support.requestAnimationFrame ) ?
+				window[timerId](function raf() {
+					// timerId will be true as long as the animation hasn't been stopped
 					if (timerId) {
-						window[jQuery.support.requestAnimationFrame](raf);
+						window[timerId](raf);
+						fx.tick();
 					}
-					fx.tick();
-				})();
-			} else {
+				}):
 				timerId = setInterval(fx.tick, fx.interval);
-			}
 		}
 	},
 
-- 
2.39.5