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Back to course

Asynchronous JavaScript

Timers, promises, and APIs. Executing actions in the background.

Timers: setTimeout and setInterval

theory

Callbacks: The Problem of "Callback Hell"

theory

Promises: The Basics

theory

Promise Chaining

theory

Error Handling in Promises

theory

Async / Await: Elegant Asynchrony

theory

Event Loop: Microtasks and Macrotasks

theory

Fetch: Making Network Requests

theory

Promise API: Working with Groups

theory

Generators: Pausing a Function

theory

Async Iterators

theory

AbortController: Cancelling Operations

theory

Global Errors: unhandledrejection

theory

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