Classes

Intersection Observer watches element appearance in the viewport or another element.

It's useful for acting on elements...

• HTML entities
• prism.js
• highlight.js

Web pages are made with HTML (Hypertext Markup Language).

HTML is a markup language, the text content is wrapped in tags...

Design the system around user needs.

Javascript is a single threaded event loop.

Synchronous functions pause further execution until they are complete.

Asynchr...

Adding images to your website makes for rich, engaging experiences, but adds additional load to the page. In this class...

Position absolute/relative.

Float.

Z-index.

addEventListener()

event.target

event.preventDefault()

binding this

using data outside of event

getting data back from event

b...

Nameless functions.

// Regular function. function hello() { alert('Hello world!') } // Function assigned to a variable...