Advanced JavaScript - APIs, Async & Storage

Work with external data and persistent storage

Learning Objectives

Use array methods effectively
Store data persistently
Understand async programming
Fetch data from APIs
Handle promises and errors

Topics Covered

1
Array Higher-Order Functions (forEach, map, filter, find, reduce, some, every, sort)
2
Method Chaining
3
Array and Object Destructuring
4
Spread Operator
5
Local Storage and Session Storage
6
JSON.stringify and JSON.parse
7
Synchronous vs Asynchronous JavaScript
8
setTimeout and setInterval
9
Callbacks and Callback Hell
10
Promises (then, catch, finally)
11
Promise Methods (all, race, allSettled)
12
Fetch API and HTTP Methods
13
Async/Await Syntax
14
Error Handling with try-catch

Assignment

Weather App with Storage

Complete a weather app that fetches data from API, allows search by city, displays temperature and conditions, saves recent searches, uses async/await, and handles loading and errors. Add localStorage to all previous projects.

Resources

• Fetch API Guide
• Async/Await Tutorial
• OpenWeatherMap API

View All Assignments

Previous Session Next Session