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Close window if Javascript Function doesn't exist.

Posted on 2007-04-04
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Last Modified: 2012-08-13
I am opening up a pop up from a page and then from the popup I am calling a javascript function from the opening page. Is there a way to check to see if the function exist and if not, to close the popup without displaying any errors?

I am calling the the funtion from my code behind in the popup window as such:
  RegisterStartupScript("GroupManagement", "<script language='javascript'>window.opener.GroupInfoDDL(); window.focus()</script>")

Thanks.
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Question by:wilcor14
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stanscott2 earned 500 total points
ID: 18853423
RegisterStartupScript("GroupManagement", "<script language='javascript'>if (window.opener.GroupInfoDDL) {window.opener.GroupInfoDDL(); window.focus()} else {window.close();}</script>")
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by:wilcor14
ID: 18853507
Perfect. Thanks very much. Do you think this will be cross browser compatible? Thanks.
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Expert Comment

by:stanscott2
ID: 18853864
Yes.  I don't think there will be a problem with it, because it doesn't use anything browser specific that I know of.
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