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Editorial Team
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Asked: 2026-05-17T17:59:06+00:00

I have this very simple Javascript to write on a text area when the

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I have this very simple Javascript to write on a text area when the link is clicked:

<head>
<script language="javascript" type="text/javascript">
    function addtext(text) {document.form.textarea.value = document.form.textarea.value+= text;}
    </script>
</head>

<body>
<form action="" method="" name="form">
   <textarea name="textarea" rows="" cols="" wrap="wrap"></textarea>
</form>
<a href="javascript:addtext('q');">q</a>
</body>

Now I want to up the ante.

What I want to do is have the form in another another window, and that when I click the link, I writes to a textarea in another window.

I’m not necessarily asking for the code because I realize this might be quite complicated.

The question would be where to start, because I haven´t got a clue!!
(when I Google cross window or cross domain interaction with Javascript I don’t really get anything useful).

So any help I can get, libraries, plugins or whatever might guide me in the right direction is more than appreciated.

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1 Answer

  1. Editorial Team

    Ok, I wrote you a sample you can check at http://jsfiddle.net/zzdAL/

    $(document).ready(function()
                  {
                      popup = window.open("http://fiddle.jshell.net");
                      $("#input1").click(function() {
                          try {
                                popup.document.window.alert(1);
                          }
                          catch (e) { alert(e.message); }
                      });
                  }
                 );

    It only runs an alert on the popup, but you can do whatever you want with the popup, assuming you have the necessary rights (needs to be the same domain I believe).

    The most simple is to write a function in your popup and call it from the opener.

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