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Re: addeventlistener quirks

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Andrew Poulos wrote:

> The code I've been working on uses addEventListener. The elearning
> course I've been building is written in valid HTML5. The client's
> Learning Management System (LMS) wraps my course's window in a window of
> its own. The LMS seems to "force" IE to render the course in quirks
> mode. In quirks mode IE9 gives an error that addEventListener is
> unsupported.

It seems that IE 11 in IE 9 emulation mode does define the
`addEventListener` property of window and elements, as the following
console session for a document without doctype demonstrates:

  > document.compatMode
  => "CSS1Compat"
  > window.addEventListener
  => function addEventListener() { [native code] }
  > document.body.addEventListener
  => function addEventListener() { [native code] }

Are you sure there is no X-UA-Compatible in place (either HTTP header or
meta element)?

What do you mean with "wraps my course's window in a window of its own"?
 An Iframe?

-- 
Christoph M. Becker

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addeventlistener quirks Andrew Poulos <ap_prog@hotmail.com> - 2015-01-24 17:08 +1100
  Re: addeventlistener quirks Andrew Poulos <ap_prog@hotmail.com> - 2015-01-24 17:14 +1100
  Re: addeventlistener quirks "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-24 18:32 +0100
    Re: addeventlistener quirks Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-01-25 02:28 +0100
      Re: addeventlistener quirks "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-01-25 15:16 +0100

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