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JavaScript from Beginner to Professional

You're reading from   JavaScript from Beginner to Professional Learn JavaScript quickly by building fun, interactive, and dynamic web apps, games, and pages

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Product type Paperback
Published in Dec 2021
Publisher Packt
ISBN-13 9781800562523
Length 546 pages
Edition 1st Edition
Languages
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Authors (4):
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Codestars By Rob Percival Codestars By Rob Percival
Author Profile Icon Codestars By Rob Percival
Codestars By Rob Percival
Laurence Svekis Laurence Svekis
Author Profile Icon Laurence Svekis
Laurence Svekis
Maaike van Putten Maaike van Putten
Author Profile Icon Maaike van Putten
Maaike van Putten
Rob Percival Rob Percival
Author Profile Icon Rob Percival
Rob Percival
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Toc

Table of Contents (19) Chapters Close

Preface 1. Getting Started with JavaScript FREE CHAPTER 2. JavaScript Essentials 3. JavaScript Multiple Values 4. Logic Statements 5. Loops 6. Functions 7. Classes 8. Built-In JavaScript Methods 9. The Document Object Model 10. Dynamic Element Manipulation Using the DOM 11. Interactive Content and Event Listeners 12. Intermediate JavaScript 13. Concurrency 14. HTML5, Canvas, and JavaScript 15. Next Steps 16. Other Books You May Enjoy
17. Index
Appendix – Practice Exercise, Project, and Self-Check Quiz Answers

Digital accessibility in HTML

Digital accessibility is of huge importance for visually impaired people or those unable to use a mouse. In order to use the internet with little or no vision, screen readers are in place. This is a special piece of software that reads what is on the screen or converts it to braille using special devices connected to the computer. People that cannot use a mouse will often rely on speech to give the computer instructions.

Early web applications were terrible in terms of accessibility. Luckily, WAI-ARIA created a technical specification of how to make the internet digitally accessible. Dynamic parts can be recognized if implemented correctly, and by adding semantics and metadata to the HTML, it's better useable for external tooling.

Semantics might be one of the most important parts here. This comes down to using the right HTML element for the right purpose. If something should be clicked, it is best to make it a <button> element and...

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