async

Stage#2. Async Programming

Module Overview 📚

This module equips students with essential skills in handling asynchronous operations in JavaScript. Students will dive into the core concepts of asynchronicity, mastering Promises and Async/Await techniques. By the end of the module, students will be adept at managing asynchronous tasks, making asynchronous requests, and handling errors effectively.

Learning Objectives 🎯

In this module, students will:

• Gain an understanding of why and how to use asynchronicity
• Dive into asynchronous programming with Promises, including:
  • Grasping the concept of Promises
  • Writing code using Promises
  • Managing successful Promises
  • Handling rejected Promises
  • Bundling multiple Promises
• Explore asynchronous programming using Async/Await, including:
  • Making asynchronous requests and functions
  • Understanding the asynchronous/awaiting model
  • Writing code using async/await
  • Dealing with errors using async/await
• Familiarize themselves with fetch and XMLHTTPRequest

Approximate Module Completion Time ⏱️

• 10 hours

Theory 📖

Students are encouraged to study the following resources:

1. Promises:

   • Promises, async/await
   • JavaScript Promises - Introduction
   • JavaScript Promises - Basics
   • Promises Chaining

2. Error Handling:

   • Error Handling
   • Promises Error Handling

3. Timers:

   • Scheduling: setTimeout and setInterval

4. RS Materials:

   • Async Programming Lecture [RU]
   • Async Programming Lecture Slides

Practice 💻

• Complete the test "[St2] Async JS Test" in the RS-App > Auto Test.

Additional Resources 📘

Expand your knowledge with these additional materials:

• To Read:

  • How Promises Work in JavaScript
  • Synchronous vs Asynchronous JavaScript
  • Using the Fetch API
  • How to Learn JavaScript Promises and Async/Await in 20 Minutes

• To Watch:

  • Learn Callbacks, Promises, Async/Await By Making Ice Cream

• Tools:

  • Loupe
  • JavaScript Visualizer 9000