Microsoft® Start Here!™ Learn JavaScript by Suehring, Steve -- Read -- Imperial Library of Trantor

Index

Microsoft® Start Here!™ Learn JavaScript Dedication A Note Regarding Supplemental Files Introduction

Who Should Read This Book

Assumptions

Who Should Not Read This Book Organization of This Book Conventions and Features in This Book System Requirements Code Samples

Installing the Code Samples Using the Code Samples

Acknowledgments Errata and Book Support We Want to Hear from You Stay in Touch

1. What Is JavaScript?

A First JavaScript Program Where JavaScript Fits

HTML, CSS, and JavaScript

HTML CSS JavaScript

JavaScript in Windows 8 Placing JavaScript in a Webpage

No JavaScript? No Problem.

Writing Your First JavaScript Program

Writing JavaScript in Visual Studio 11 JavaScript’s Limitations

Don’t Rely on JavaScript for Data Security You Can’t Force JavaScript on Clients

Summary

2. JavaScript Programming Basics

JavaScript Placement: Revisited Basic JavaScript Syntax

JavaScript Statements and Expressions Names and Reserved Words Spacing and Line Breaks Comments Case Sensitivity Operators

JavaScript Variables and Data Types

Variables Data Types

Numbers Strings Booleans Null Undefined

Looping and Conditionals in JavaScript

Loops in JavaScript Conditionals in JavaScript

A Conditional Example

Summary

3. Building JavaScript Programs

Functions

Function Overview Function Arguments Calling Functions Return Values Function Examples

A Simple Example Refactoring addNumbers()

Scoping Revisited

Objects in JavaScript

What Does an Object Look Like? Properties Methods

Using the this Keyword

Object Enumeration Classes

Debugging JavaScript

Debugging as a Process Debugging in Internet Explorer

Summary

4. JavaScript in a Web Browser

JavaScript Libraries Getting jQuery

Using a Local Copy of jQuery Using a CDN-Hosted jQuery Library Testing jQuery

Getting jQuery UI

Adding jQuery UI to a Project Testing jQuery UI

The Browser Object Model

Events and the window Object The screen Object The navigator Object The location Object

The DOM

DOM Versions The DOM Tree

Retrieving Elements with JavaScript and jQuery

Using jQuery, Briefly

The ready() Function jQuery Selectors

Retrieving Elements by ID Retrieving Elements by Class Retrieving Elements by HTML Tag Name

Summary

5. Handling Events with JavaScript

Common Events with JavaScript Handling Mouse Events

Preventing the Default Action Attaching to an Element with On

Validating Web Forms with jQuery

Validating on Submit Regular Expressions

Other Common Matches

Finding the Selected Radio Button or Check Box

Validating Radio Buttons and Check Boxes

Determining the Selected Drop-Down Element

Validating <select> Elements Wrapping Up Form Validation

The click Event Revisited

Keyboard Events and Forms Summary

6. Getting Data into JavaScript

AJAX in Brief

On Servers, GETs, and POSTs Building a Server Program

PHP Example

AJAX and JavaScript Retrieving Data with jQuery

Using get() and post()

Using the get() and post() Functions Sending Data in the Request

Building an Interactive Page Error Handling

Chaining an Error Handler

Using JSON for Efficient Data Exchange

Using getJSON()

Sending Data to the Server

Sending Data with getJSON Sending Post Data

Summary

7. Styling with JavaScript

Changing Styles with JavaScript

CSS Revisited Changing CSS Properties

Working with CSS Classes

Determining Classes with hasClass() Adding and Removing Classes

Adding Error Styling to a Form

Advanced Effects with jQuery UI

Using Effects to Enhance a Web Application Using jQuery UI Widgets

Building a Slider Creating a Calendar

Other Helpful jQuery UI Widgets

Putting It All Together: A Space Travel Demo

Code Analysis

Summary

8. Using JavaScript with Microsoft Windows 8

JavaScript Is Prominent in Windows 8 A Stroll Through a Windows 8 Application

Quick Checkpoint: Windows 8 Apps

Building a Windows 8 App

Building the Application Code Analysis Defining a Splash Screen, Logos, and a Tile

Summary

Index About the Author Copyright

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