JavaScript Tutorials - Herong's Tutorial Examples

∟ECMAScript Language Specification and JavaScript Dialects

This chapter provides introductions and tutorial examples on the ECMAScript language specification and JavaScript dialects. Topics include history of JavaScript; versions of dialects: LiveScript, JavaScript, JScript, JScript .NET; interface with host environments; automatic semicolon insertion.

JavaScript History and Versions

ECMAScript Language Specification

Automatic Semicolon Insertion to End Statements

Takeaways:

• ECMAScript (ECMA-262) is the official name of the JavaScript language specification.
• JavaScript, originally implemented in Netscape, is the originating dialect of the ECMAScript language specification.
• JScript is the Microsoft dialect of the ECMAScript language specification.
• ECMAScript has very interesting rule for automatic semicolon insertion to end statements.

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

ECMAScript Language Specification and JavaScript Dialects - Updated in 2023, by Herong Yang