JavaScript Reload Page Script

Question

<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?

I just tried it in notepad, saved to my desktop, and it works... As I thought it should. — MarioDS
– MarioDS, Commented Apr 12, 2012 at 1:14
Tip: never test equality to true, just use the boolean variable/expression! — Bergi
– Bergi, Commented Apr 12, 2012 at 1:17

Ian Hunter · Accepted Answer · 2012-04-12 01:25:08Z

2

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.)

edited Apr 12, 2012 at 1:25

answered Apr 12, 2012 at 1:17

Ian Hunter

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