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.

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.

This JavaScript article tutorial guides you how to check type of JavaScript variables. This JavaScript tutorial guide contains full-completed JavaScript example codes and comments, it's very easy to follow, please go to the full-post page for details.

Other JavaScript tutorials for beginners:
- JavaScript OOP Tutorial for Dummies
- 10 Tiny JavaScript Snippets for Good Beginners
- Top 10 Best JavaScript eBooks that Beginners should Learn
- The basics of Javascript for beginners

The author writes this JavaScript article tutorial for Flash ActionScript developers that have the same interest - like, work with Flash and ActionScript but still want to learn some things new in JavaScript programming language.

Although this JavaScript article tutorial is written for ActionScript programmers, but it is also a very good tutorial for who to learn object-oriented JavaScript programming. This JavaScript article tutorial guides you how to build a full-completed JavaScript object with the getter and setter methods. Please visit for more details.

Other related JavaScript OOP article tutorials:
- JavaScript OOP Tutorial for Dummies
- Pointers in OOP JavaScript
- OOP in JavaScript: Some Basics
- OOP JavaScript: Public and Private Methods
- Basic OOP Concepts in Javascript

IF you often watch the HBO movies, then the title of this JavaScript post will be familiar to you: "Simply the Best". Yes, that's right, I want to borrow this slogan from HBO to describe the content of this post: it will provide you the very basic JavaScript concepts, and you will be able to access, understand the web programming JavaScript language easily and quickly.

This JavaScript article tutorial shows you the full-detailed practices, combined with live JavaScript example codes to try. At present, this JavaScript article tutorial us 5 parts and I'll update if there's new chapter, meanwhile, you can go through:
- Part 1: JavaScript Classes
- Part 2: JavaScript Inheritance
- Part 3: JavaScript and JSON
- Part 4: The Prototype Property
- Part 5: JavaScript Closures

Read more other JavaScript article tutorials on jsB@nk:
- JavaScript Function Declarations & JavaScript Function Expressions - Basic Concepts
- JavaScript Prototype: Some Basic Concepts
- 5 Chief JavaScript Inheritance Concepts
- Simple Concepts about Types and Objects in JavaScript OOP
- Top 10 Best JavaScript eBooks that Beginners should Learn

In this JavaScript article tutorial, jsB@nk would like to guide you full detailed instructions and JavaScript example codes to check a validation of date and time. This Date/Time Validation in JavaScript tutorial provides you many real cases for JavaScript date and time validations, along with various possible JavaScript solutions.

Moreover, this DateTime validation in JavaScript tutorial does not use any JavaScript framework library, so you can reach these JavaScript validating ideas, JavaScript validated solutions and JavaScript example codes easily through plain-code JavaScript.

Try more other JavaScript date and time examples, JavaScript date and time solutions if you need:
- Helpful JavaScript Time and Date Picker, Plugins for Frameworks
- jsDatePick - A Simple Free Javascript Date Picker
- JavaScript Timer Countdown

Sometimes we need to JavaScript preload images on the web pages for some predicted purposes. And this post is a should-stop to read, because this post provides you 4 simple solutions to preload necessary images on your web pages using CSS, preload images with jQuery and JavaScript, Mootools preload images. All solutions are very simple to implement, please go to the full-post page for detailed instructions and JavaScript example codes.

Check our other solutions to preload your images:
- Best Ways to Preload Image JavaScript with CSS, AJAX
- Image Preloader MKII
- Preload Image with progress bar

This JavaScript article tutorial provides us a very detailed guide about localization in WordPress platform; throughout the instructions within this JavaScript article tutorial, we can easily manage uploaded JavaScript files/source codes effectively.

Many days ago, in the JavaScript article tutorials about optimization for web performance, jsB@nk had also mentioned the importance of JavaScript files compression. You can still read them again:

- Performances of JavaScript Compressors
- JavaScript Performance Tips
- Speed Up JavaScript Performance with SharePoint Minifier
- Automatically Compressing JavaScript files on Apache

Today in this post, jsB@nk would like to provide you another JavaScript tutorial for optimizing JavaScript source codes/files with Google Closure. This is very detailed JavaScript article tutorial with full instructions and illustrative pictures. Please go to the inner page for it.