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Defining Your Own Object Types
This chapter provides introductions and tutorial examples on how to define your own object types. Topics include defining constructor functions; adding properties and methods to objects or constructor prototypes; looping through properties and methods; using 'instanceof' and 'typeof' operators.
2022-10-01, ∼296🔥, 0💬

Inheritance of Properties and Methods through the Prototype Object Chain
This chapter provides introductions and tutorial examples on object property and method inheritance. Topics include inheriting properties and methods from constructor's prototype; reviewing built-in default properties and methods; using the 'constructor' property; adding local and inherited properti...
2022-10-01, ∼296🔥, 0💬

Collision of Global and Local Variables - Examples
This section provides a tutorial example on how JavaScript handles local variables collide with global variables.
2022-10-01, ∼292🔥, 0💬

Introduction to Objects
This chapter provides introductions and tutorial examples on the 'Object' data type in JavaScript. Topics include creating 'Object' objects; adding and retrieving properties; adding and running methods; named and indexed properties; comparing arrays with objects.
2022-10-01, ∼291🔥, 0💬

"prototype" Property of the Constructor Function Object
This section provides a quick description of the built-in 'prototype' property on the constructor function. A tutorial example is provided on how to store properties and methods in the 'prototype' property to be inherited by all objects created by the constructor.
2022-10-01, ∼290🔥, 0💬

New Script Resulted from Two Original Scripts
This section provides a tutorial example showing how the Web browser fails to execute the JavaScript code resulted from two original JavaScript codes.
2022-10-01, ∼289🔥, 0💬

JavaScript Support in Web Browsers
This section provides a quick description of how Web browsers execute JavaScript codes, provide DOM API for document interaction, and provide events to trigger JavaScript code execution.
2022-10-01, ∼287🔥, 0💬

Data Types, Variables and Expressions
This chapter provides a quick introduction of JavaScript fundamental concepts: data types, variables, and expressions. Topics include primitive data types; variable declaration; operation expression evaluation.
2021-12-08, ∼287🔥, 1💬

What Is an Object?
This section provides a quick description of what is an object in JavaScript and some interesting features on creating and using objects. A tutorial example is also provided.
2022-10-01, ∼285🔥, 0💬

Event Listeners and Objects
This section provides a quick description of event trigger attributes on different HTML tags and the 'event' object representing the event with detail information about the event. A tutorial example is provided to display mouse location by adding a listener to the mouse-pushed-down event.
2022-10-01, ∼284🔥, 0💬

The "JSON" Object Type - parse() and stringify()
This section provides a quick description and a tutorial example script on the 'JSON' built-in object type, which is used to parse JSON strings to create JavaScript structured values and convert JavaScript structured values to JSON strings.
2022-10-01, ∼284🔥, 0💬

What Is an Array
This section provides a quick description of what is an array in JavaScript and a tutorial example showing JavaScript array features.
2022-10-01, ∼283🔥, 0💬

Creating an Array Object
This section provides a tutorial example on how to create array objects in JavaScript.
2022-10-01, ∼283🔥, 0💬

DOM API - The "document" Object
This section provides a quick description of the 'document' object of the DOM API. A tutorial example is provided on building a simple HTML document with the 'document' object.
2022-10-01, ∼282🔥, 0💬

W3C's Document Object Model (DOM) Specifications
This chapter provides an introduction of W3C's Document Object Model (DOM) Specifications. Topics include an overview of DOM specifications; Examples of DOM Level 0, 1, 2, and 3 functionalities; DOM levels supported by Web browsers; 'Node' and other DOM API interfaces; dump 'document' object with DO...
2022-10-01, ∼282🔥, 0💬

"while" Loop Statements
This section provides a quick description of the 'while' loop statement.
2022-10-01, ∼279🔥, 0💬

Defining Object Constructor Functions
This section provides a quick description on defining object constructor functions. A tutorial example is provided on creating a 'Book' constructor with 3 properties and 1 method.
2022-10-01, ∼278🔥, 0💬

"return" Statement and Return Value
This section provides a quick description on 'return' statements and return values. A tutorial example on how return values are passed back to calling expressions is provided.
2016-11-19, ∼276🔥, 1💬

First JavaScript - "Hello World!"
This section provides the first JavaScript tutorial example - 'Hello World!'.
2022-10-01, ∼275🔥, 0💬

"jrunscript" - Scripting Shell Command and Options
This section describes the scripting shell, 'jrunscript', command and options. The default scripting engine is JavaScript - ECMAScript 1.6 implementation 'Mozilla Rhino' 1.6 release 2.
2022-10-01, ∼275🔥, 0💬

Local Variables - Examples
This section provides a tutorial example on how local variables behave inside and outside functions.
2022-10-01, ∼274🔥, 0💬

"for" Loop Statements
This section provides a quick description of the 'for' loop statement.
2022-10-01, ∼273🔥, 0💬

The "Boolean" Object Type - Wrapping Boolean Values into Objects
This section provides a quick description and a tutorial example script on the 'Boolean' built-in object type, which is used to create 'Boolean' objects.
2022-10-01, ∼273🔥, 0💬

Objects of "Object" Data Type
This section provides a quick description of the 'Object' data type, its properties and methods. A tutorial example is provided on how to create and test an object of the 'Object' data type.
2022-10-01, ∼272🔥, 0💬

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