requestAnimationFrame should be bound on window... (#1120)

Apparently... https://stackoverflow.com/questions/10743596/why-are-certain-function-calls-termed-illegal-invocations-in-javascript
katspaugh · Jun 11, 2017 · 29fd88d · 29fd88d
1 parent 7fd5a6d
commit 29fd88d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/util.js b/src/util.js
@@ -7,7 +7,7 @@ WaveSurfer.util = {
         window.oRequestAnimationFrame ||
         window.msRequestAnimationFrame ||
         function (callback, element) { setTimeout(callback, 1000 / 60); }
-    ),
+    ).bind(window),
 
     frame: function (func) {
         return function () {