Handle and precess all of your form field validations using just one script. This JavaScript can verify numeric strings; monitor the status of the CapsLock state; verify empty strings, numeric, date, alphabetical, or e-mail fields value; confirm passwords; verify the formatting of phone numbers; monitor the minimum/maximum numbers of form input characters. Includes language-independent error messages and displays error messages in a div or using an alert box.

A very simple image gallery. The script is short and includes comments to guide you along the way.

You can use this JavaScript code to verify or notify duplicate value of text boxes when users type them; such as an e-mail address or a password. If values of two data fields are different, this script will provide message error. Or you can use this code for different input fields.

In order to load the content of an external JavaScript file, of course we have a lot of ways, but do you know which way is the best? If you say 'No', let read this article, authors will indicate the causes and which way is the best solution for this problem.

This image rotation system creates a dissolving effect for the transition phase. Great for banners, picture-presentations and more. Add as many images as you like. Each image can be linked to a different URL. The full dissolving effect can be view with IE4, IE5 or higher. Netscape-users will see a simple image-rotation-effect instead of it.

In the previous JavaScript article tutorial - Some Essential JavaScript Prototype Functions to Enhance your JavaScript Applications - jsB@nk presented to you one JavaScript prototype function to copy/clone a JavaScript object, but in this post, there's only JavaScript source code to make it without detailed instructions and comments.

Therefore, in this JavaScript article tutorial, jsB@nk will show you a full detailed instructions and guides in copying JavaScript objects with many JavaScript example codes and many ways to use.

This JavaScript article tutorial shows some differences between JavaScript and Ruby about functions, procs and code blocks. This is also a good reference source if you need to learn about Ruby. Please go to the inner post page for full details.

This snippet searches an array for a pre-specified element and returns 'true' if it's found, 'false' if it's not found. It functions like the in_array() in PHP.

This JavaScript tutorial guides you to build a JavaScript code for hiding and showing the HTML elements on the web pages, work with element's ID. This JavaScript are very detailed, so please go to the full post for more instructions.

Compress (minify JS) is one of most important missions if you need to optimize your web performance. And using JavaScript compressors is the easiest way to do this task, I recently present some popular minify JS compressors in Performances of JavaScript Compressors.

However, this solution has a big advantage you should know: we have to compile our JavaScript source codes/files before uploading them to live server if we change the source code. In order to overcome this shortcoming, we can use an alternation: compressing JavaScript source codes/files automatically on our server then give back the results as requested.

That's subject of this JavaScript article tutorial: guides you how to compress JavaScript source codes/files on Apache.