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I have the following code onClick of a button

$('#someForm').attr("target", "formresult");

.......

winPop = window.open("", 'formresult', 'allthesettingshereblablah');

.......

$('#someForm').submit();

everything works and a new pdf is displayed in the popup window.

I want to put in a logic like if there is already a popup open, ignore the button click... If I don't do submit, I can do winPop.closed check and it will have the correct reference.

BUT, if I have the submit(), the reference is lost...winPop.closed no longer works.

I know the reference is changed because if I put in

winPop.onbeforeunload = function() {
alert('i am closing');         
};

the I am closing alert is displayed right before the pdf displays, which means that the original winPop is unloaded and I no longer have that reference.

What is the proper flow/way I should do this?

Basically I need click generate button from parent window >> submit form and opens pdf in child window >> If I click generate button from parent window again, it should ignore the click when child window is open.

Khan
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1 Answers1

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If I understand what you're trying to do correctly, you simply can check whether popup window is open before trying to open a new one. So something like this:

if (winPop ) {
winPop.focus();
    }else{
 winPop = window.open("", 'formresult', 'allthesettingshereblablah');
}

This should focus on poup window if there's one open already. Otherwise new one is opened.

AR.
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