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Editorial Team
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Asked: 2026-06-01T20:25:27+00:00

<html> <head> <script type=text/javascript> function show_confirm(){ var r=confirm(Hello or Goodbye?); if (r==true){ alert(Hello); window.location.replace(http://www.google.com/);

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<html>
    <head>
        <script type="text/javascript">
            function show_confirm(){
                var r=confirm("Hello or Goodbye?");
                if (r==true){
                    alert("Hello");
                    window.location.replace("http://www.google.com/");
                } else {
                    alert("Goodbye");
                }
            }
        </script>
    </head>
    <body>
        <input type="button" onclick="show_confirm()" value="Show a confirm box" />
    </body>
</html>

I’m learning JavaScript, and I’m using W3School’s Tryit Editor, and this code wasn’t working like I hoped. I want it to redirect me to google after someone hits ‘OK’ twice, but it doesn’t seem to work. Can someone help me out?

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1 Answer

  1. Editorial Team

    The problem is that the Try-It Editor is using an IFrame. When I try it in Chrome and open up my developer console, I get the following error:

    Refused to display document because display forbidden by X-Frame-Options.

    This is because what your code is trying to do is change the location of the current frame, not the entire page.

    You can do one of three things:

    • Try your HTML outside of an IFrame and you should get it to work then.
    • Try using window.top.location.replace("http://www.google.com/"); instead of window.location
    • If you must change the location of an iframe with JavaScript, you’ll have to either do so outside of the frame or make sure it stays within the same domain as the parent document. (You’ll notice that window.location.replace("http://www.w3schools.com") works just fine.)
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