Order to learn JS

• let, var, const
• functions
• arrow functions
• this keyword in arrow functions
• promises, then, catch, resolve, reject
• async/await
• try & catch
• fetch api
• map, filter, reduce
• spread operator
• import/export
• require function
• ES6 rest features
• refrence vs value
• short circuiting
• == vs ===
• callbacks

HTML

• HTML template
• connect to css & js file
• Input Tag
• Button
• Event listners
• Refreshing DOM
• passing anonymous functions

React js

• JSX
• props
• state
• useState
• useEffect