Merge pull request #849 from MITx/kimth/fix-html-js

Don't function call on null

Merge pull request #849 from MITx/kimth/fix-html-js
Don't function call on null
c38aec5b · arjun810 · 57e4f0dd · 61b38571 · c38aec5b
Commit c38aec5b authored Oct 09, 2012 by arjun810
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common/lib/xmodule/xmodule/js/src/javascript_loader.coffee
+1 -1

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--- a/common/lib/xmodule/xmodule/js/src/javascript_loader.coffee
+++ b/common/lib/xmodule/xmodule/js/src/javascript_loader.coffee
@@ -15,7 +15,7 @@ class @JavascriptLoader
    placeholders = el.find(".script_placeholder")

    if placeholders.length == 0
-      callback()
+      callback() if callback?
      return

    # TODO: Verify the execution order of multiple placeholders