Just read the title of this free HTML JavaScript tutorial, obviously you will think about the evil, according to the basic nature of the word "dark side". But this is just a title that the author like to name to it, when he started to go deep into JavaScript, jQuery, and realize that many of JavaScript concepts do not make sense the way he understood it. This is summary of JavaScript's dark side: JavaScript doesn't have a class concept, using JavaScript JSON (JavaScript Object notation) we can construct JavaScript objects in many ways, JavaScript functions are JavaScript objects so they can have JavaScript properties, ... Please go to the detailed post for full instructions and JavaScript example codes

More HTML JavaScript tutorials for trying:
- JavaScript Events: Look inside JavaScript Framework Library
- JavaScript: The Good Parts speech
- Theory of the DOM by Douglas Crockford

Yes, this free HTML JavaScript tutorial is another round-up of very great and helpful JavaScript/jQuery techniques, tools and resources. In this selection we present JavaScript/jQuery date calendars, jQuery calendar datepickers, forms, buttons, JavaScript navigation, navigation menu jQuery, debugging, optimization and compatibility tables as well as handy JavaScript/jQuery resources and tools. We also cover various jQuery add-ons and plug-ins that will help you extend the functionality of your website and improve user experience with ready components or coding solutions.

For improving more your skills and user experience, check out more JavaScript/jQuery, web development, web programming/coding resources below:

- More 100 Super Helpful Cheatsheets for Web Designers Web Developers
- Great Powered Resources for 7 Helpful jQuery Plug-ins
- 35 Cool, Awesome Tools and Resources for Faster JavaScript Application Development
- Super Cool and Great Button Resources and Tutorials with CSS3
- 45 Great CSS and JavaScript solutions

Without JavaScript, we can still switch web content with CSS. It's so incredible but it's so true, just click into this free HTML example code, for testing it by yourself, to find how to make CSS content switch on your own web page. This switch content script is really super easy and use.

With the support of the powerful JavaScript framework - Prototype; JavaScript developers/coders created many sorting table JavaScript example codes, using sorting data table is not an easy task if you want to handle it by plain JavaScript codes. By applying these sorting table JavaScript plug-ins, you're able to spend less than time and energy for sorting tables, I'll list some name for your short review: Table Orderer, Table Sort, Tablekit, Table Sorting With Prototype, Lighweight Table Sorting, MyTableGrid, Sortable for Prototype.

You may read Algorithms by JavaScript for sorting algorithms if you want to create one or sorting in JavaScript by yourself; or check some plained JavaScript example codes for sorting data table:

- JavaScript Sort Data Table
- JavaScript Sortable Table with Alternating Row Colors
- 33 Amazing JavaScript Solutions to Sort Data Tables

This free HTML JavaScript tutorial guides you how to use AJAX and the JavaScript framework jQuery to pass the return data from PHP to JavaScript. Please go to the full post page for detailed PHP and JavaScript instructions and JavaScript example codes.

Read more HTML JavaScript tutorials about PHP in JavaScript on jsB@nk:
- PHP print_r function in JavaScript

This free JavaScript article shows you a list of 6 JavaScript tools, applications for JavaScript validation:

- J3Unit: an object-oriented unit testing framework for JavaScript. It runs JavaScript tests in the web browser.
- JsUnit: another JavaScript unit testing framework in the browser. It includes a platform for automating execution of tests on multiple web browsers.
- YUI 2: a testing JavaScript framework for browser-based JavaScript solutions.
- Crosscheck, JSLitmus & Regular Expression Tool

In this free HTML JavaScript tutorial, the dummies will have some simple, short concepts about JavaScript OOP programming, OOP in JavaScript such as: how to define a JavaScript class, how to set Publich methods, how to set Private variables, how to set static methods, ... through some simple HTML JavaScript example codes.

Read more JavaScript OOP tutorials below:

- OOP in JavaScript: Some Basics
- Simple Concepts about Types and Objects in JavaScript OOP
- JavaScript OOP - Scopes and Contexts
- OOP JavaScript: Public and Private Methods
- Basic OOP Concepts in Javascript

HTML JavaScript TreeView and JavaScript Sitemap are good tools to display the structure of your website, are better solutions to organize your huge indexes.

This free HTMl JavaScript tutorial shows you a list of very beautiful JavaScript treeview controls, JavaScript treeview menus for choosing.

Cheat sheets are really helpful in revising your application codes as there are so many functions, constants, classes ... which we cannot remember always but good cheat sheets are of great help in keeping yourself updated with the codes.

Cheat sheets are also helpful for beginner developers and designers in learning and remembering codes better. A truly great resource for upcoming developers.

The purpose of this free HTML JavaScript tutorial is to provide all useful web development cheat sheets for web designers, web programmers/coders and web developers at one place. A mega collection of cheat sheets which contains HTML, CSS cheat sheets, JAVA, PHP, Database SQL, Wordpress, ASPX, SEO and many more other useful cheat sheets which you will find in this post. Most of the cheat sheets are available in printable format for a handy use of these resources.

In Object-Oriented programming languages, an interface defines a set of methods which a Class must include in order to implement the interface (otherwise, if the Class is missing the required methods, the code will fail and the interface will throw an error).

Interfaces are useful for making sure developers use the correct implementation of an API.

In JavaScript there are no true "classic" Object-Oriented features, but through clever usage of the language you can emulate an Interface for use with a JavaScript API. In this free HTML JavaScript tutorial, Mark McDonnell guides you how to implement Interfaces in the JavaScript programming language.