JavaScript Asynchronous: Exercises, Practice, Solutions
JavaScript Asynchronous Programming [ 9 exercises with solution ]
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1. Write a JavaScript function that takes a callback and invokes it after a delay of 2 second.
2. Write a JavaScript program that converts a callback-based function to a Promise-based function.
3. Write a JavaScript a function that makes an HTTP GET request and returns a Promise that resolves with the response data.
4. Write a JavaScript function that takes an array of URLs and downloads the contents of each URL in parallel using Promises.
5. Write a JavaScript program that implements a function that performs a series of asynchronous operations in sequence using Promises and 'async/await'.
6. Write a JavaScript function that fetches data from multiple APIs concurrently and returns a combined result using Promises and 'Promise.all()'.
7. Write a JavaScript function that fetches data from an API and retries the request a specified number of times if it fails.
8. Write a JavaScript program to implement a function that executes a given function repeatedly at a fixed interval using 'setInterval()'.
9. Write a JavaScript function that fetches data from an API and cancels the request if it takes longer than a specified time.
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