JavaScript

It may be needed that you need to give a close link in the popup you created. The window.close () method could be used to close a window.

If you're using popups, inevitably the time comes when you want to call scripts in another window. This page explains the basics of cross-window JavaScripting.

Sometimes it's useful to add a popup to your pages. When the user clicks on a link, a new window opens and displays a page.

The isNaN() function is used to check if a value is not a number.

The Date object is useful when you want to display a date or use a timestamp in some sort of calculation. In java you can either make a Date object by supplying the date of your choice, or you can let Javascript create a Date object based on your visitor's system clock. It is usually best to let Javascript simply use the system clock.

On this page I explain what strings are and then give an overview of some useful things you can do with them.

On this page I explain the basics of generating options in a select box and give a script for dynamic options: when the user selects something from one option box another is automatically filled with new data.

Learn how to create javascript (DHTML) tree-like navigation with items that expand and collapse.

A very simple javascript function to create a scrolling message within a textbox.

A script that jumps back "home" when "h" is pressed. In other words, a script that allows you to specify a target url to go to when "h" is pressed.

Add a progress bar to your page.

Disable the status bar message from appearing on all links, indiscriminately, with this powerful script!

This script (perceptually) refreshes a webpage, after the specified amount of time.

A script that displays the current date , in the format of "Friday, March 16, 2001"

Did you know that it's possible to popup the print dialog window to your users?