[wp-trac] [WordPress Trac] #21707: Theme Customizer: Javascript errors in Internet Explorer are blocking live previews from displaying

[WordPress Trac]

#21707: Theme Customizer: Javascript errors in Internet Explorer are blocking live
previews from displaying
--------------------------+-----------------------------
 Reporter:  designsimply  |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Appearance    |    Version:
 Severity:  blocker       |   Keywords:
--------------------------+-----------------------------
 Steps to reproduce:

 1. Install r21383 or later.
 2. Go to Appearance → Themes and click Customize.
 * Expected: to see customizer panels on the left and a live preview on the
 right.
 * Actual: the live previews are always blank in IE9 and the following
 Javascript error appears in the console:

 {{{
 SCRIPT5007: Unable to get value of the property ‘detach’: object is null
 or undefined
 customize-controls.js?ver=3.5-alpha-21589, line 194 character 6
 }}}

 [[Image(http://f.cl.ly/items/2M2b0L1l3Z3g2Y3N1J2q/Screen%20shot%202012-08-27%20at%2010.12.01%20PM.png)]]

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Ticket URL: <http://core.trac.wordpress.org/ticket/21707>
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