August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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window.opener
JavaScript1.1+, JScript1.0+ Nav3+, IE3+, Opera3+ Syntax
window.opener window.opener.method window.opener.property
Description
The opener property of the Window object corresponds to the window that opens the window from which the property was accessed. When accessed by a child window, it returns the parent window. With this property, you can then invoke methods and access properties of the Window object on the "opener" window. This property can also be set in scripts that allow the browser to clean up the reference to the parent window if it is closed before the child window. Most browsers have limits on the number of open windows they can have, and, by cleaning up these closed windows, you are able to regain the ability to ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.