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Editorial Team
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Asked: 2026-05-14T07:41:29+00:00

I have opened a new window with JavaScript: var newwin = window.open(”,’preview’,’width=600,height=500′); Now I

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I have opened a new window with JavaScript:

var newwin = window.open('','preview','width=600,height=500');

Now I want to write some JavaScript to the window:

newwin.document.write("<script type='text/javascript'>alert('Hi!');<" + "/script>");
newwin.document.close();

However, the script never gets executed. Am I doing something wrong?

Update: Okay, now I got part of it working. Here is the current code I have:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<script type='text/javascript'>

function SetContent()
{
    $('#content').html('New Text');
}

function dowin()
{
    var newwin = window.open('','preview','width=600,height=500');

    newwin.document.write('<div id="content"></div><b>This should be replaced...</b>');
    newwin.document.close();

    var script = newwin.document.createElement("script");
    script.type = "text/javascript";
    script.src = 'jquery.js';
    newwin.document.body.appendChild(script);

    var script2 = newwin.document.createElement("script");
    script2.type = "text/javascript";
    script2.textContent = "(" + SetContent + ")();";
    newwin.document.body.appendChild(script2);
}

</script>
</head>
<body>
<button onclick='dowin();'>Open</button>
</body>
</html>

It’s supposed to change the content of the div but as you can see, it doesn’t.

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1 Answer

  1. Editorial Team

    Your code running ok on my Firefox 3.7, Opera 10, and IE6, but you could try different approach by using DOM functions.

    var newwin = window.open('','preview','width=600,height=500');

function sayHi(){
    alert('Hi!');
}

var script = newwin.document.createElement("script");
script.type = "text/javascript";
script.textContent = "(" + sayHi + ")();";
newwin.document.body.appendChild(script);

    If its not working, you should double check popup blockers or javascript blockers on your browser.

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