Communication between different windows using Chrome

I am facing an issue with my HTML5 Framework where the debugger is not visible in fullscreen mode due to the canvas taking up the entire screen. I need a solution where the debugger can be opened in another tab or popup so it can be moved off to another monitor while still being able to access the window or tab that launched it.

One possible approach would be to restrict fullscreen mode when using the debug version of the framework, but I prefer not to take that route for various reasons. So my question is, is it possible for a web app to open a popup window (debugger) and allow that popup to interact with the original window (web app)?

javascriptdomcross-window-scripting

Answer №1

Indeed, you are able to achieve this task. Browsers typically block the action as a security measure when the parent and child windows come from different domains.

To resolve this issue, apply the following code snippet to both pages if they operate on distinct domains and you manage both the parent and child window scripts:

document.domain = '.xyz.com';

You can access objects within the child window using:

winobj=window.open('child window') 
...
winobj.document.getElementById("elementname").value=""

Similarly, for the parent window:

window.opener.functionname(a,b) or window.opener.buttonid.name

If you do not control the domain of either parent or child windows, inspect the response header 'Access-Control-Allow-Origin' to enable cross-domain scripting in situations where the domains differ.

Answer №2

What if we use the opener method?

opener.executeFunction();

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