Introduction to Java Script

Post on 08-May-2015

333 views 4 download

description

Lean What is javascript? How to start learning JavaScript?

transcript

JAVA SCRIPT LANGUAGE

For web development

Vijay Kumar Verm

a (VJY)

I

24-March

-2014

WHAT

PRO AND CONS

HOW TO USE

IMPLEMENT

EXAMPLE

OBJECTIVES

What is Ja

va Script Dynamic Programming Language.

Its syntax was influenced by C. Developed by Brendan Eich Client-side scripts to interact with the

user Control the browser, Alter the document content that is

displayed Also used in used in server-side

programming, game development and the creation of desktop and mobile applications

Take Some Examples

Pro and Cons of JS Javascript is executed on the

client side Javascript is a relatively easy

language Javascript is relatively fast to the

end user Extended functionality to web

pages JavaScript reduced the Server

Load.

Security Issues Javascript rendering varies

How to Use in

HTML Knowledge of HTML Text Editor Web Browser Some Idea and mind

JavaScripts in HTML must be inserted between <script> and </script> tags.

JavaScripts can be put in the <body> and in the <head> section of an HTML page.

Internal Java Script

External Java Script

Inline Java Script

<html><head>

<script> //Type JS Script Here

</script></head><body>…</body><html>

<script lang="text/javascript" src=“URL of .JS File">

</script>

<a href="#" onclick="alert('Hi')">

Click Me</a>

var i=0;

function test() { for (i=0; i<10; i++) { document.write("Hello World!"); }}

test();

Write Firs

t Program<html>

<head><title>Hello World in JS</title><script language="javaScript">

document.write("Hello World");</script>

</head>

<body></body></html>

<html><head>

<title>InLine JS</title></head>

<body><input type="text" value="Your

Name" onFocus="this.value=''"/></body></html>

Have Any Question?

facebook.com/groups/sviet.mca

vjy.softworx@gmail.com

Thank You