Every web developer/web coder/web programmer should know the importance of JavaScript caching for web performance. With technology specifications of old HTML versions, we can only store JavaScript browser caches in cookie on client side, or do it on server side with session/other web storage solutions with files.

However in the new version of HTML - HTML5; besides the capabilities of offline cache (see more new features of HTML5 in HOT New JavaScript APIs with HTML5), HTML5 also give us the abilities of local storage to speed up the web performance.

This JavaScript article tutorial shows you some basic concepts and JavaScript code examples to build web applications with cache in HTML5. Please go to the full post page for details.

This JavaScript article tutorial will guide you how to build an Awesome jQuery Accordion with CSS3 and HTML5 with full detailed instructions and downloadable source codes.

This is an amazing JavaScript-jQuery accordion menu for displaying a huge list of categories (divided into subjects). This accordion menu jQuery code example displays all navigating menus in a full bright color manner, with one thumbnail picture per each subject of categories.

Inheritance is an important skill in OOP and JavaScript OOP because of reusable feature. In this JavaScript article tutorial, the author shows you 5 must-read JavaScript inheritance concepts. Should master them if you want to become a professional JavaScript OOP coder. Please go to the full post page for details.

Opera is my favorite browser for 5 years, I made Opera as the major browser since 2005; because of its amazing donwload/upload speed. I began to use Opera since version 6; at that point, Opera Software company had declared confidently in our welcome screen: "Opera is the fastest browser on the earth".

At the present of this post, Opera 11 beta is latest version, Opera is being used by over 150 millions users, with hundreds/thousands of Opera widgets, extensions and UserJS to help users better in browsing the Internet. Today in this post, jsB@nk would like to present you a list of top 10 JavaScript applications (UserJS) for Opera.

Here's JavaScript application (UserJS) I'm using: Flash Blocker, NoDelay, Document Viewer and NoAds. Try Opera now to get better experiments with the Internet!

A short web tutorial to provide the overview about SEO and JavaScript in Web development, such as what JavaScript can/can not do; impact of JavaScript on SEO (SEO - Search Engine Optimization) and how to use JavaScript better for SEO.

Countdown timer for an event seems to be an indispensable thing in the modern life of human, we can see them in the holidays of Christmas, new year, birthday, etc. Or easily, we can see them daily in alarm clocks - the simplest countdown timers in our life.

The subject of countdown timers are also discussed much by JavaScript countdown timer scripts, JavaScript article tutorial such as:

- jQuery JavaScript Countdown Timer with Bar Display
- More 10 Awesome Countdown Timers to Christmas 2010
- JavaScript Countdown Timer solution in OOP
- Super Neat JavaScript Countdown Timer

Today, I would like to show you another JavaScript article tutorial for building a simple countdown timer in Flash environment with ActionScript. Please go to the full post page for detailed 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.

Organize the source codes of JavaScript applications and web applications with minifying JS solution (shorthand) is one of most important methods to optimize the web performance. This JavaScript article tutorial guides you some basic JavaScript tips and tricks to shorten your JavaScript source with shorthand codes. Some objects discussed during this JavaScript tutorial: JavaScript variable increment/decrement/multiply/divide, ternary operator (conditional), associative array notation, default assignments.

Try more JavaScript article tutorials for source code optimization if you still need:
- Efficient and Helpful JavaScript/jQuery Tips and Tricks
- Some Basic JavaScript Guidelines for Accessibility

Perhaps I did not to talk more, everyone knew HTML5 and Flash - these two web technologies are developed and improved to attract more attentions from web developers.

Today in this canvas tutorial JavaScript post, I'm pleasure to present you a match of HTML5 and Flash in simple JavaScript drawing round: creating a warning icon by code lines. The arms of both two races: HTML5 using canvas element with support from JavaScript, Flash with Action Script 3.

Although the author did not show which technology won, but personally according to final images, jsB@nk think it's HTML5 because the color of picture made by HTML5 is more real than Flash; however, this is just a very simple HTML5 canvas test and these web technologies are still improved. Please go to the full post page for detailed results.

JavaScript compression is one of most important missions to optimize the performance of web page. Besides minifying the size of JavaScript source code/files (minify JS/compress JavaScript files) to decrease the time for loading, some JavaScript compressors also make many optimizations (compress) for your JavaScript source code.

Today in this post, jsB@nk would like to show you comparison results of some popular JavaScript compressors: Packer 3.1, YUI Compressor, Google Closure, Dojo Shrinksafe and JSMin. This comparison just made with two test units: compression ratio and processing time. Please go to the full post page for detailed comparison results.