Is there a way to call a function from the parent window in a child window after the parent window has been

I am attempting to perform a task in JavaScript. Window A contains a reload method. When window A opens window B, and then window B opens window C, followed by window C opening window D. Once window D is open, both windows B and C will close. The challenge I'm facing is how to execute the reload method of window A from window D. The sequence of window openings is as follows: A -> B -> C -> D. After D is opened, B and C will both close. Since window A has the reload method, I need to find a way to trigger the reload from window D.

javascript

Answer №1

assign a unique key rootWindow to each window

if you are opening from the root window

var newWindow = window.open(......);
newWindow.rootWindow = window;

when opening a window from any other window

var newWindow = window.open(......);
newWindow.rootWindow = window.rootWindow;

alternatively, set window.rootWindow = window in the root window initially and utilize 

var newWindow = window.open(......);
newWindow.rootWindow = window.rootWindow;

each time a new window is opened from any existing window. This setup is done from the parent side but can also be configured from the child window side.

finally, simply invoke window.rootWindow.reload() from any window

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