YUI - a very powerful JavaScript framework from Yahoo! about the ability of processing layout/interface, and within the downloaded package of this framework, Yahoo! also offers many documents as well as sample JavaScript applications to build common web applications. However in this free JavaScript tutorial, the author presents particularly how to build an JavaScript application for sliding photos with custom navigation option.

Because this tutorial is very detailed and so long, it should be divided into two parts to avoid the fatigue to view; and this is the first part, please see the detailed page.

jCryption is a JavaScript HTML-Form encryption plugin, which encrypts the POST/GET data submitted by forms. It use public-key algorithm of RSA for the encryption and PHP file for decryption of data. jCryption was tested with all major browser like; Internet Explorer 6+, Mozilla Firefox 3+, Safari 3, Opera 9+, Google Chrome.

If you only need the encryption of your HTML/CSS/JavaScript codes, let try the encoding service from JavaScriptBank.com

Chrome - a web browser from Google - since it's presented, is becoming a phenomenon by many superior advantages: a simple, user-friendly interface, a fast process, ... and with the assistance of a Internet giant - Google, Chrome becomes more and more prominent.

Although it's presented recently, but Chrome also has a great development community, along with many tools and applications. However, at the point of this free JavaScript post, the author just prefer to present utilities written in JavaScript, with a list of 10 web applications are considered as the bests to see. Because they are JavaScript-based applications, so you can preview them easily via other browsers.

In this brief 3-minute video, Yahoo! engineer and technical evangelist Julien Lecomte describes the rationale behind and philosophy underlying the new YUI Compressor tool.

Object Oriented Programming (OOP) - a trend of programming/coding is being more and more popular cause of its benefits. And JavaScript, a most popular web programming language, also supports this trend; but in this free JavaScript article, the author just presents some basics about OOP for beginners. Please go to the full post-page for details.

This free JavaScript article presents some concepts, ideas about JavaScript - a most popular web programming language in client side, but many people misunderstands this language. Please go to the full post for details.

JavaScript Countdown Timer is the type of JavaScript code presented on JavaScriptBank.com; and you can find many good scripts as you want; but this JavaScript countdown timer is new one, because it's built in OOP completely. And this JavaScript countdown timer maybe the simplest example JavaScript code to start learning JavaScript OOP.

Depend on the definition from Wikipedia: "A cookie, also known as a tracking cookie, browser cookie, and HTTP cookie, is a text file stored as plain text on a user's computer by a web browser. A cookie consists of one or more name-value pairs containing bits of information, which may be encrypted for information privacy and data security purposes". Since cookie invented, it almost is an indispensable factor to any web application or any browser.

If you are still vague about cookie and how to use it then this free JavaScript article maybe better. From the knowledge of this JavaScript article, you are able to create, store and access the cookie on your web application.

The JavaScript-based movement effects, animations, in your Web applications, will become more eye-catching, smoothing and beautiful when they use the powerful JavaScript frameworks to manage and process. This free JavaScript article show you a list of 10 JavaScript frameworks the author thinks they are the bests.

Please try more: Top 10 JavaScript Frameworks by Google, Yahoo, Bing

Debugging source code is the regular job to any programmers, and this job takes them a lot of time. With the programming languages at client side, such as JavaScript, the most common tool should be mentioned is the Firebug add-on, on Firefox; but this tool helps us to detect syntax errors only. This free JavaScript tutorial shares the author's experience in problem of debugging logic problems by using some simple ways. Please go to the full post for details.