JavaScript

This article is going to show you how to create items on your page that you can drag and drop.

One of the most popular usages of JavaScript is to create a drop down menu. This tutorial will show you how to make one.

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.