JavaScript

15 topics · AI-enhanced lessons

The language of the web. Build interactive websites, APIs, and full-stack apps.

🟢 Beginner

7 topics

What is JS, history, and first program

var, let, const, strings, numbers, booleans

Arithmetic, comparison, logical, ternary

if/else, switch, loops, break, continue

Declaration, expression, arrow functions, scope

Array methods, iteration, destructuring

Selectors, events, dynamic HTML

🟡 Intermediate

5 topics

Object literals, methods, spread, JSON

Promises, async functions, error handling

Lexical scope, closure patterns, IIFE

ES6 classes, inheritance, encapsulation

try/catch, custom errors, error types

🔴 Advanced

3 topics

import/export, dynamic imports, module patterns

Prototype chain, Object.create, mixins

Call stack, microtasks, task queue

Beginner7 topics

Intermediate5 topics

Advanced3 topics