JavaScript

🌳 The DOM and Events

Learn how JavaScript represents and manipulates a web page, and how it reacts to user actions.

What you'll learn

• Explain what the DOM is as a tree of objects and start from document to access the page.
• Select elements with querySelector/querySelectorAll and modify their content, attributes, classes and styles.
• Create and insert elements with createElement and appendChild to build dynamic content.
• Respond to events with addEventListener and handle form submission using event.preventDefault().

Lessons