This JavaScript article tutorial guides you a full completed instructions to validate a credit card number with JavaScript programming language, JavaScript RegEx. This post contains both detailed step by step guides and full JavaScript source codes for examples, please go to the inner post page for all.

Other JavaScript article tutorials from same author:
- Design Better HTML5 Form Element Validator
- JavaScript Date and Time Validating Tutorials

This JavaScript article tutorial shows full detailed list of 5 good JavaScript habits that JavaScript developers, JavaScript coders and JavaScript programmers should follow to improve JavaScript programming skills, as well as JavaScript applications and JavaScript performance. Please go to the inner post page for details and instructions.

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.

You are being fed up with the JavaScript games and trying to find out how to build Web-based JavaScript games? This JavaScript article tutorial may be a valuable reference source for you in this case.

This JavaScript game making tutorial guides us use a JavaScript game framework - Crafty - to create a simple JavaScript RPG game. This JavaScript RPG game is quite simple but it's so awesome with beautiful graphics, and its gameplay is not too easy to make us feel boredom. Basically, we need to do some necessary tasks such as define the characters, build JavaScript game scenes, create gameplay, making game's animations and combine them into a unified result.

The inner post page will show you all detailed instructions and comments, as well as demo to play with full JavaScript source code for downloading.

Today in this post, jsB@nk would like to provide you a list of 70+ AJAX utilities, AJAX tools and AJAX applications to enhance your JavaScript applications, based-JavaScript web applications.

In this list, there were many AJAX utilities already presented on jsB@nk:
- AJAX Page Content Loader
- GreyBox: Cool HTML/JavaScript/AJAX/Flash Window Popup
- Interstitial Content Box

But there are still many JavaScript tools need you to reveal. Let's go to the inner page for detailed list.

The JavaScript prototype functions in this JavaScript article tutorial are collected by jsB@nk from many JavaScript resources on the Internet. These JavaScript prototype functions are very helpful and essential to your JavaScript applications, web-based applications if you need to reduce time and work to process JavaScript tasks. And if you are still not good at JavaScript prototype functions, please read the JavaScript article below:
- JavaScript Prototype: Some Basic Concepts
- Prototype Dollar Function

This JavaScript article tutorial provides you the JavaScript source codes of 13 JavaScript prototype functions to process JavaScript Strings, JavaScript Arrays and Number variables, please go to the full-post page for details, now jsB@nk shows you some very popular JavaScript prototype functions only:
- contains: check if a string contains a child string
- trim: strips all redundant spaces from beginning and end of string
- copy: copy/clone an array variable
- random: return a random element, optionally up to or from range

YouTube - one of very hot social communities in Internet - a place to share your video clips to all friends on over the world. However, we have some inconveniences if just play YouTube video clips by YouTube's default Flash video player, today in this post, jsB@nk would like to provide you more 5 JavaScript utilities (UserJS) to have better experiments when view YouTube video clips with Opera. You may know the reason I mainly present to you the awesome and helpful JavaScript applications (UserJS) for Opera if you usually read my old JavaScript articles. I hope jsB@nk is going to have more JavaScript posts for Firefox and other browsers to serve you.

And for this post, I hope you will have more better YouTube experiments with YouTube "Lights Out", Play YouTube video clips in full screen automatically, YouTube Video Downloader, Youtube Resizer and YouTube Prevent Autoplay.

Read Essential JavaScript Applications (UserJS) for Opera Browser if you still want to have more better experiments with Opera.

Web worker is one of new valuable features in HTML5, because web developers can make many awesome and interesting things with it:
- Processing Local Files in JavaScript with HTML5
- JavaScript Caching in HTML5

Besides, you can view more new other features of HTML5 and web worker at HOT New JavaScript APIs with HTML5, but today in this post, jsB@nk would like to present one more great JavaScript application that uses multi-threading processes. Please go to the full post page for details and instructions.

This JavaScript gallery code is really simple but it's so awesome and beautiful if you just need a basic picture gallery. This JavaScript picture gallery does not use text much, it uses pictures and social icons only, and JavaScript effects, JavaScript animations built on jQuery framework, jQuery prettyPhoto plug-in, combined with Cufont technique; absolutely this JavaScript picture showcase script may make your picture gallery look awesome and beautiful.

This JavaScript picture gallery script has two themes: dark and light. Please go to the preview page to see or download it, or try other JavaScript gallery scripts already presented on jsB@nk:
- Picture Gallery with Display Switcher
- Create Sliding Photo Gallery using jQuery
- 65 Free JavaScript Photo Gallery Solutions
- 16 Free Picture Slideshow Gallery scripts

This JavaScript article tutorial guides you how to build a simple JavaScript function for loading JavaScript and CSS external files dynamically. No new thing but this JavaScript snippet is still a good way to make your website become more comfortable.