From 6790537997a48b3f2234b4898a19e205e8b0c3fd Mon Sep 17 00:00:00 2001
From: Mike Deverell <mike@pelotoncycle.com>
Date: Tue, 23 Aug 2016 08:46:49 -0400
Subject: [PATCH] when using setTimeout, call callback immediately

---
 throttle.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/throttle.js b/throttle.js
index cd55703..eee626b 100644
--- a/throttle.js
+++ b/throttle.js
@@ -1,5 +1,8 @@
 function throttle(callback) {
     var running = false;
+    function resetRunning() {
+        running = false;
+    }
 
     return function () {
         if (running) {
@@ -10,13 +13,14 @@ function throttle(callback) {
         var args = arguments;
         function frameHandler() {
             callback.apply(undefined, args);
-            running = false;
+            resetRunning();
         }
 
-        if (requestAnimationFrame) {
-            requestAnimationFrame(frameHandler);
+        if ('requestAnimationFrame' in window) {
+            window.requestAnimationFrame(frameHandler);
         } else {
-            setTimeout(frameHandler, 1000 / 60); // 60 fps
+            callback.apply(undefined, args);
+            window.setTimeout(resetRunning, 1000 / 60); // 60 fps
         }
     };
 }