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window.opener

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Returns a reference to the window that opened this current window.

Syntax

wObj = window.opener
 

Parameters

wObj is an object reference.

Example

if window.opener != indexWin {     referToTop(window.opener); }

Notes

When a window is opened from another window, it maintains a reference to that first window as window.opener. If the current window has no opener, this method returns NULL.

Specification

DOM Level 0. Not part of specification.