New Scripts | JavaScript | Tutorials & Tips

Concise, to-the-point tutorial on Regular Expressions with sections on more advanced aspects of the feature.

Tutorial and sample codes to calculate the distance between two locations. Free sample source codes in PHP, ASP, ColdFusion, C/C++, C#, Java, Perl, Visual Basic and Javascript. Longitude and latitude for United States ZIP Code and Canadian Postal Code are available in database subscription.

Comprehensive tutorial on Regular Expressions written in a gentle, easy to follow style.

JavaScript may not be known for its object oriented properties, but it does support most of the features required to be considered an Object Oriented language. See how to write OOP code in JavaScript.

For various web scripts it is more convenient that user will see form executed in new window when he is pressing the submit button. Using JavaScript you can control the appearance of that window. change size, turn off navigation panel, hide manubar and so on. This technique is very helpful for poll and guestbook applications.

In this tutorial, we look at using DHTML to retrieve and display a XML file. This is useful when you need a client side method of including XML files on your webpages.

We demystify the DOM (Document Object Model) of IE5 and NS6 with this tutorial.

This is a tutorial which creates a simple cross-browser drop-down menu system in JavaScript. Tested in IE 4+ NS 4+ NS6/7 Mozilla and Opera 5+. Now includes cascading submenus.

A nice tutotial on DHTML slider weight control. Slider has two math options: Percent and Score. Percent option has automatic weight redistribution to non-selected sliders if they are not locked. Source code available for download.

Learn how to calculate the difference between two dates in JavaScript, and in the process, derive some useful applications such as counting down to a particular event, counting up, displaying what's new on your page etc.

Learn how to make your cell background colors change when your mouse is pointed over it.

Learn how to use JavaScript to manipulate and display the current time and date.

Assumes absolutely no knowledge of how to use a JavaScript. Covers everything from creation of graphics to generation and application of a script to make a simple navigation bar with rollover effects.

A random number is useful- if not required- in the creation of many popular JS applications, such as a dice, random image script, or random link generator. Learn how to generate a random number in JavaScript.

The nature of JavaScript libraries means they can be accessed and utilized by any site online, not just yours. Learn how to restrict access of your libraries to only your own sites, warding off bandwidth theft in the process.

This is for those new to javascripting. This tutorial will show you how to create a javascript array in the internet browser.

Comprehensive tutorial on string manipulation in JavaScript, such as dissecting, searching etc.

Learn how to format strings in JavaScript, such as making them bold, changing font size, etc.

Learn how to implement an image slideshow in JavaScript, along with making each slide "clickable".

A simple function to greet the user, according to the hour. Comments in spanish. Happy hacking!