Friday 30 November 2012

What is JavaScript? And Resources to Learn it

What is JavaScript?
JavaScript is a programming language which is used to create web pages more interactive. It runs on your visitor's PC or laptop and doesn't need regular download from your site. It is frequently used to generate polls and quizzes. JavaScript is the Netscape-developed object scripting language used in millions of web pages and server applications worldwide.

• It can function as both a procedural and an object oriented language
• It can interrelate with HTML source code, enabling Web authors to jazz up their websites with dynamic content.
• It is endorsed by a number of web design companies ( or software companies) and is an open language that anybody can use without purchasing a license.




JavaScript Online Resources to learn it ->>>

JavaScript Guide : https://developer.mozilla.org/en-US/docs/JavaScript/Guide

JavaScript Tutorial: http://www.w3schools.com/js/default.asp

JavaScript - Wikipedia, the free encyclopedia: http://en.wikipedia.org/wiki/JavaScript

JavaScript Kit- Your comprehensive JavaScript: http://www.javascriptkit.com/

The JavaScript Source: http://www.javascriptsource.com/



Hello World of JavaScript
The Hello World example is usually normal to take in when talking about programming languages. So here we go
/*
You can also pop alert boxes just as easily with:
*/



Yes, i.e, all you need. You don’t need to include any file or import any packages. Everything to facilitate is needed to execute JavaScript is provided by the web browser (or the client) so it is also known as Client Side Scripting Language.

So Finally JavaScript is broadly supported. It is accessible in the following browsers:

• Netscape Navigator (beginning with version 2.0)
• Microsoft Internet Explorer (beginning with version 3.0)
• Firefox
• Safari
• Opera
• Google Chrome
• Any other browser whose vendor licensed or implemented JavaScript.

Therefore, the majority Internet users today have web browsers that support JavaScript. That's why JavaScript is one of the most accepted tools in the Web developer's arsenal.

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  2. JavaScript is a prototype-based scripting language that is dynamic, weakly typed and has first-class functions. It uses syntax influenced by the language C. JavaScript copies many names and naming conventions from Java, but the two languages are otherwise unrelated and have very different semantics. The key design principles within JavaScript are taken from the Self and Scheme programming languages.It is a multi-paradigm language, supporting object-oriented,imperative, and functional programming styles.

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