Accessing parent window from child window or vice versa in JavaScript – options explored

[Note: I wrote this article few years back, when I got few hours of free time to explore these; thought of putting it here as it has a set of different techniques which is helpful for someone facing this scenario and could be a reference for me, initially written for beginners/intermediates]

This article explains options available to access the data present in a parent window from a child window or vice versa in JavaScript. By telling the word Parent I mean the browser window that opens another browser window, the new window is what I call Child window.   more...