Use existential operator

01ca4334 · Prem Sichanugrist · ed69957f · 01ca4334
Commit 01ca4334 authored Jun 14, 2012 by Prem Sichanugrist
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lms/static/coffee/src/modules/video/video_player.coffee
+1 -1

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--- a/lms/static/coffee/src/modules/video/video_player.coffee
+++ b/lms/static/coffee/src/modules/video/video_player.coffee
@@ -135,7 +135,7 @@ class @VideoPlayer
    @video.speed
  volume: (value) ->
-    if value != undefined
+    if value?
      @player.setVolume value
    else
      @player.getVolume()