Search icon
Subscription
0
Cart icon
Close icon
You have no products in your basket yet
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
JavaScript from Beginner to Professional

You're reading from  JavaScript from Beginner to Professional

Product type Book
Published in Dec 2021
Publisher Packt
ISBN-13 9781800562523
Pages 546 pages
Edition 1st Edition
Languages
Authors (3):
Laurence Lars Svekis Laurence Lars Svekis
Profile icon Laurence Lars Svekis
Maaike van Putten Maaike van Putten
Profile icon Maaike van Putten
Codestars By Rob Percival Codestars By Rob Percival
Profile icon Codestars By Rob Percival
View More author details

Table of Contents (19) Chapters

Preface 1. Getting Started with JavaScript 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

Manipulating attributes

We have seen already that we can change the class and style attributes, but there is a more general method that can be used to change any attribute. Just a quick reminder, attributes are the parts in HTML elements that are followed by equals signs. For example, this HTML link to Google:

<a id="friend" class="fancy boxed" href="https://www.google.com">Ask my friend here.</a>

The attributes in this example are id, class, and href. Other common attributes are src and style, but there are many others out there.

With the setAttribute() method, we can add or change attributes on an element. This will change the HTML of the page. If you inspect the HTML in the browser you will see that the changed attributes are visible. You can do this from the console and see the result easily, or write another HTML file with this built in as a function. In this HTML snippet, you will see it in action:

<!DOCTYPE html...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $15.99/month. Cancel anytime}