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Professional JavaScript for Web Developers

You're reading from   Professional JavaScript for Web Developers Discover an easy-to-learn guide to upgrade your JavaScript skills

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Product type Paperback
Published in Nov 2019
Publisher Wiley
ISBN-13 9781119366447
Length 1144 pages
Edition 4th Edition
Languages
Tools
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Author (1):
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Matt Frisbie Matt Frisbie
Author Profile Icon Matt Frisbie
Matt Frisbie
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Table of Contents (37) Chapters Close

COVER FREE CHAPTER
FOREWORD
INTRODUCTION 1 What Is JavaScript? 2 JavaScript in HTML 3 Language Basics 4 Variables, Scope, and Memory 5 Basic Reference Types 6 Collection Reference Types 7 Iterators and Generators 8 Objects, Classes, and Object-Oriented Programming 9 Proxies and Reflect 10 Functions 11 Promises and Async Functions 12 The Browser Object Model 13 Client Detection 14 The Document Object Model 15 DOM Extensions 16 DOM Levels 2 and 3 17 Events 18 Animation and Graphics with Canvas 19 Scripting Forms 20 JavaScript APIs 21 Error Handling and Debugging 22 XML in JavaScript 23 JSON 24 Network Requests and Remote Resources 25 Client-Side Storage 26 Modules 27 Workers 28 Best Practices A ES2018 and ES2019 B Strict Mode C JavaScript Libraries and Frameworks D JavaScript Tools INDEX
END USER LICENSE AGREEMENT

STYLES

Styles are defined in HTML in three ways: including an external style sheet via the <link> element, defining inline styles using the <style> element, and defining element-specific styles using the style attribute. DOM Level 2 Styles provides an API around all three of these styling mechanisms.

Accessing Element Styles

Any HTML element that supports the style attribute also has a style property exposed in JavaScript. The style object is an instance of CSSStyleDeclaration and contains all stylistic information specified by the HTML style attribute but no information about styles that have cascaded from either included or inline style sheets. Any CSS property specified in the style attribute are represented as properties on the style object. Because CSS property names use dash case (using dashes to separate words, such as background-image), the names must be converted into camel case in order to be used in JavaScript. The following table lists some common CSS properties...

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