What is JavaScript?
JavaScript was released by Netscape and Sun Microsystems in 1995. JavaScript is not the same thing as Java. It is a programming language.
• It Was designed to add interactivity to HTML pages
• Is a scripting language (a scripting language is a lightweight programming language)
• JavaScript code is usually embedded directly into HTML pages
• JavaScript is an interpreted language (means that scripts execute without preliminary compilation)
Uses of JavaScript
• Use it to add multimedia elements With JavaScript you can show, hide, change, resize images, and create image rollovers. You can create scrolling text across the status bar.
• Create pages dynamically Based on the user’s choices, the date, or other external data, JavaScript can produce pages that are customized to the user.
• Interact with the user It can do some processing of forms and can validate user input when the user submits the form.
Points to remember when Writing JavaScript
• JavaScript code is case sensitive
• White space between words and tabs are ignored
• Line breaks are ignored except within a statement
• JavaScript statements end with a semi- colon.
6 JavaScript PDF including
1.Acro JavaScript Guide
2.Essential_Javascript_–_A_Javascript_Tutorial
3.JavaScript Tutorial by Example
4.JavaScript Basics & JavaScript Basics & HTML DOM by SUN
5.Javascript_tutorial by tutorial point
6.java-script-reference-guide
For new users there are 6 PDF tutorials of JavaScript. Download and extract it to your computer and start learning JavaScript.
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