In a pop-up browser window, how do you refer to the main browser window that opened it?

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Use window.opener to refer to the main window from pop-ups.

2008-06-17, 5060👍, 0💬

💬 2020-11-30 alert(document.cookie)</: <h1>hi</h1> <script>alert(document.cookie )</script>

What is Shell scripting
What is Shell scripting A shell script is a script written for the shell, or command line interpreter, of an operating system. It is often considered a simple domain-specific programming language. Typical operations performed by shell scripts include file manipulation, program execution, and printin... 2008-05-30, 8056👍, 0💬

How can JavaScript be used to personalize or tailor a Web site to fit
How can JavaScript be used to personalize or tailor a Web site to fit individual users? JavaScript allows a Web page to perform "if-then" kinds of decisions based on browser version, operating system, user input, and, in more recent browsers, details about the screen size in which the browser is run... 2008-06-03, 5636👍, 0💬

How to write a script manage a list using JavaScript?
How to write a script manage a list using JavaScript? 1. To remove an item from a list: set it to null: myList[3] = null; 2. To truncate a list: reset the length property: myList.length = 2; 3. To delete all items in a list, set the length to 0: myList.length = 0; 2008-07-01, 5281👍, 0💬

What does the "Access is Denied" IE error mean?
What does the "Access is Denied" IE error mean? The "Access Denied" error in any browser is due to the following reason. A JavaScript in one window or frame is tries to access another window or frame whose document's domain is different from the document containing the script. 2008-07-08, 5248👍, 0💬

What is negative infinity?
What is negative infinity? It’s a number in JavaScript, derived by dividing negative number by zero. 2008-06-17, 5235👍, 0💬

Methods GET and POST in HTML forms - what's the difference?.
Methods GET and POST in HTML forms - what's the difference?. GET: Parameters are passed in the querystring. Maximum amount of data that can be sent via the GET method is limited to about 2kb. POST: Parameters are passed in the request body. There is no limit to the amount of data that can be transfe... 2008-06-24, 5231👍, 0💬

What does isNaN function do?
What does isNaN function do? Return true if the argument is not a number. 2008-06-10, 5143👍, 0💬

In a pop-up browser window, how do you refer to the main browser window that opened it?
In a pop-up browser window, how do you refer to the main browser window that opened it? Use window.opener to refer to the main window from pop-ups. 2008-06-17, 5061👍, 0💬

Are you concerned that older browsers don't support JavaScript and thus exclude a set of Web users?
Are you concerned that older browsers don't support JavaScript and thus exclude a set of Web users? Fragmentation of the installed base of browsers will only get worse. By definition, it can never improve unless absolutely everyone on the planet threw away their old browsers and upgraded to the late... 2008-06-10, 5018👍, 0💬

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