Web Browser Supporting JavaScript

This chapter provides introductions and tutorial examples on how Web browsers provide support to JavaScript code embedded in HTML documents. Topics include executing JavaScript codes embedded in 'script' tags; including JavaScript code through external files; DOM API 'document' and 'window' objects; browser event triggers and listeners; JavaScript console in Web browsers.

JavaScript Support in Web Browsers

Including JavaScript Codes with HTML "script" Tags

type="text/javascript" or language="JavaScript"

JavaScript Version Supported by Browsers

Including 'script' Tags in String Literals

Escaping 'script' Tags in String Literals

Using HTML Entities to Protect HTML Tags

Including JavaScript Codes as External Files

DOM API - The "document" Object

DOM API - The "window" Object

DOM API - The "window.open" Method

Event Listeners and Objects

'javascript:' Pseudo-URL Addresses

JavaScript Console in Google Chrome

JavaScript Console in Mozilla Firefox

JavaScript Console in Apple Safari

JavaScript Console in IE (Internet Explorer)

Takeaways:

Table of Contents

 About This Book

 Introduction to JavaScript

 ECMAScript Language Specification and JavaScript Dialects

 Data Types, Variables and Expressions

 Flow Control Statements

 Creating, Accessing, and Manipulating Arrays

 Defining and Calling Functions

Web Browser Supporting JavaScript

 Server-Side and Client-Side Web Scripting

 Introduction to Objects

 Defining Your Own Object Types

 Inheritance of Properties and Methods through the Prototype Object Chain

 'jrunscript' - JavaScript Shell Command from JDK

 Using Functions as "Function" Objects

 Introduction to Built-in Object Types

 W3C's Document Object Model (DOM) Specifications

 AJAX (Asynchronous JavaScript And XML)

 References

 Full Version in PDF/EPUB