JAVA SCRIPT

JAVA SCRIPT

1. DEFINITION

   • JavaScript is a scripting language for computers. It is often run in web browser applications to create dynamic content like a popup message. It is not related to the programming language Java.
   • In JavaScript, functions are stored as variables .

2. DATA TYPES

   • TOP
     • STRING
     • NUMBER
     • BOOLEAN
   • COMPOSITE
     • OBJECT
   • SPECIAL
     • NULL
     • UNDEFINED

3. WEB

   • GOOGLE CHROME
   • MOZILLA FIREFOX
   • INTERNET EXPLORER
   • OPERA

4. PROGRAMMING LANGUAGES

   • HTML
   • CSS
   • JavaScript

5. ADVANTAJES

   • JavaScript is an excellent solution to implement data validation on a form on the client side. If a user fails to write her name on a form, validation function in JavaScript can display a popup message on the screen to let the user about the omission.

6. DISADVANTAJES

   • Snippets of JavaScript once added to the website on servers, these are downloaded and executed on the client browser and allowing a malicious code can be executed on the client machine in order to exploit a security vulnerability known in one of the applications, browsers or operating system itself.