This script reads a series of alphanumeric characters, and calculates how many unique ways those characters can be rearranged. If desired, it will display all of the combinations.

Open Source JavaScript

1. The JavaScript Source
   This script reads a series of alphanumeric characters, and calculates how many unique ways those characters can be rearranged. If desired, it will display all of the combinations. These scripts all relate to time and dates. Some of them display only the month, others the entire year. Some highlight the current day or tell you when you entered the page. Other scripts display the current date or time according to the user's time zone, or another time zone some other place in the world. The source code is available for all the scripts.
      
2. What is JavaScript
   JavaScript is the Netscape-developed object scripting language used in millions of web pages and server applications worldwide. Netscape's JavaScript is a superset of the ECMA-262 Edition 3 (ECMAScript) standard scripting language, with only mild differences from the published standard. Contrary to popular misconception, JavaScript is not "Interpretive Java". In a nutshell, JavaScript is a dynamic scripting language supporting prototype based object construction. The basic syntax is intentionally similar to both Java and C++ to reduce the number of new concepts required to learn the language. Language cons tructs, such as if statements, for and while loops, and switch and try .catch blocks function the same as in these languages .
      
3. A Smooth Open Source JavaScript IDE
   Aptana is a free JavaScript-focused development environment (IDE) for building dynamic web applications. The first public beta of the open source framework was released on July 14 by a small web development startup of the same name.Aptana includes a number of features that make it a quality tool for web development. It has full "code assist" for JavaScript funtions, as well as any included JavaScript code. Additionally it outlines the code structure of JS, HTML and CSS, and provides error notifications and code validation for all three languages. Finally, Aptana is customizable and its functionality can be extended with the inclusion of external JavaScript.
        
4. An Open source Javascript library
   Ajax is the term that describes a set of web development techniques for creating interactive web applications. One of the key ingredients is the JavaScript object XmlHttpRequest. Rico provides a very simple interface for registering Ajax request handlers as well as HTML elements or JavaScript objects as Ajax response objects. Multiple elements and/or objects may be updated as the result of one Ajax request. Desktop applications have long used drag and drop in their interfaces to simplify user interaction. Rico provides one of the simplest interfaces for enabling your web application to support drag and drop. Just register any HTML element or JavaScript object as a draggable and any other HTML element or JavaScript object as a drop zone and Rico handles the rest.
   
   

5. The WebKit Open Source JavaScript Project
   This is the project page for WebKit's JavaScript implementation. JavaScript is the primary programming language used on web pages. Originally named Live Script and now also known as ECMAScript, it's a safe, dynamic language that's arguably one of the most well-known programming languages in the world. There's a JavaScript standard, created by ECMA. WebKit's JavaScript engine, JavaScriptCore, based on KJS, is a framework separate from WebCore and WebKit, and is used on Mac OS X for applications other than web page JavaScript.
     

6. WebKit Open Source Tools Add JavaScript Debugger
   The WebKit application framework for the Mac now includes a JavaScript debugger, named Drosera. Drosera, named after the largest genera of bug eating plants, lets you attach and debug JavaScript for any WebKit application-not just the Safari browser, which is based on WebKit, as per the company. One of the unique things about Drosera is that over 90% of it is written in HTML and JavaScript. Similar approach was used in the WebKit's existing development application, named Web Inspector. The development team stated this technique is a testament of what you can do with web technologies today and the rapid development that WebKit allows.
      

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