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POHow to transport a variable from a popup to window while relying on a function
 

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  1. POHow to transport a variable from a popup to window while relying on a function
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    <p>Consider the following:</p> <ol> <li><p>Window opens a popup</p></li> <li><p>Popup contains a javascript function which can be triggered by a button</p></li> <li><p>Function takes two predefined arguments and dismisses the popup</p></li> </ol> <p>This is what the JS looks like</p> <pre><code>&lt;script&gt; function dismissPopup(win, myId) { // does some stuff I don't want for THIS routine win.close(); } &lt;/script&gt; </code></pre> <p>This is what the popup's HTML looks like</p> <pre><code>&lt;a id="#bar_1" onclick="opener.dismissPopup(window, '1'); return false;"&gt; now I want this text to be available to window without breaking dismissPopup for other implementations &lt;/a&gt; &lt;a id="#bar_2" onclick="opener.dismissPopup(window, '2'); return false;"&gt; etcetera &lt;/a&gt; </code></pre> <p>What I have tried (window)</p> <pre><code>var win = window.open(url); win.focus(); var original_dismissPopup = window.dismissPopup; window.dismissPopup = function (win, myId) { var FOO = $(win.document.body).find('#bar_' + myId).val(); alert(FOO); original_dismissPopup.apply(this, arguments); }; var X = "I need FOO here" </code></pre> <p>The result is <code>alert(FOO)</code> does give me the correct value. However I don't quite understand how to get the variable outside the function's scope. </p> <p>Also if I comment out the alert the popup is not dismissed at al, it seems my understanding of decorating an existing function is wrong.</p> <p>Thanks for any guidance.</p> <p><strong>UPDATE:</strong></p> <p>This seems to solve things, but I think I'm doing something wrong still:</p> <pre><code>setTimeout(function() { alert(FOO); }, 1500); </code></pre>
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