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.

2010-08-10, 4465👍, 0💬

dot net qstn
How would ASP and ASP.NET apps run at the same time on the same server? 2010-07-29, 4267👍, 0💬

What is negative infinity?
What is negative infinity? It’s a number in JavaScript, derived by dividing negative number by zero. 2010-08-10, 3947👍, 0💬

Can JavaScript steal text from your clipboard?
Can JavaScript steal text from your clipboard? It is true, text you last copied for pasting (copy & paste) can be stolen when you visit web sites using a combination of JavaScript and ASP (or PHP, or CGI) to write your possible sensitive data to a database on another server. 2010-08-24, 3695👍, 0💬

What does isNaN function do?
What does isNaN function do? Return true if the argument is not a number. 2010-08-03, 3677👍, 0💬

How can JavaScript be used to personalize or tailor a Web site to fit individual users?
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... 2010-07-27, 3669👍, 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... 2010-08-17, 3661👍, 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; 2010-08-24, 3547👍, 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... 2010-08-03, 3506👍, 0💬

What is the data types of variables of in JavaScript?
What is the data types of variables of in JavaScript? Number, String, Boolean, Function, Object, Null, Undefined. 2010-08-17, 3421👍, 0💬

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