Sunday, February 8, 2015

What is Java Script ?Role of JavaScript in web application/site Development

What is Java Script ?Role of JavaScript in web application/site Development:



Role of JavaScript in web site Development:

JavaScript is a most popular and widely use in web development. It is basically use for client site scripting. Today the scope of javascript is very widely and mostly all browser support java script with different programming language.you can see JavaScript at every stage of a web site and web application. In this course, you'll learn the fundamental programming concepts and syntax of the JavaScript programming language.


According to About.com:

JavaScript is a programming language used to make web pages interactive. It runs on your visitor's computer and doesn't require constant downloads from your website. JavaScript is often used to create polls and quizzes.

According to searchsoa.techtarget.com:

JavaScript is an interpreted programming or script language from Netscape. It is somewhat similar in capability to Microsoft'sVisual Basic, Sun's Tcl, the UNIX-derived Perl, and IBM's REXX. In general, script languages are easier and faster to code in than the more structured and compiled languages such as C and C++. Script languages generally take longer to process than compiled languages, but are very useful for shorter programs.

According to Javascriptr.net:

JavaScript is a scripting language designed primarily for adding interactivity to Web pages and creating Web applications. The language was first implemented by Netscape Communications Corp. in Netscape Navigator 2 beta (1995). JavaScript is different from the Java language (developed in the 1990s at Sun Microsystems). However, the two languages can interoperate well. Client-side JavaScript programs, or scripts, can be embedded directly in HTML source of Web pages.

Java Script in web development?

JavaScript is associate degree understood programming or script language from Netscape. it's somewhat similar in capability to Microsoft'sVisual Basic, and All web based programming . In general, script languages square measure easier and quicker to code in than the additional structured and compiled languages like C and C++. Script languages usually take longer to method than compiled languages, however square measure terribly helpful for shorter programs.
JavaScript uses a number of constant concepts found in Java, the compiled object-oriented programming derived from C++. JavaScript code is embedded in HTML pages and understood by the online browser (or client). JavaScript can even be run at the server as in Microsoft's Active Server Pages before the page is shipped to the requester. each Microsoft and Netscape browsers support JavaScript, however typically in slightly other ways.

Java Script is :

  • JavaScript is a scripting language
  • JavaScript is an object-oriented language
  • JavaScript is an interpreted language



JavaScript is support following browsers: 


  1. Netscape Navigator (beginning with version 2.0)
  1. Microsoft Internet Explorer (beginning with version 3.0)
  1. Firefox
  1. Safari
  1. Opera
  1. Google Chrome



Any other browser whose vendor licensed or implemented JavaScript.

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