JavaScript Asynchronous: Exercises, Practice, Solutions

This resource offers a total of 45 JavaScript Asynchronous Programming problems for practice. It includes 9 main exercises, each accompanied by solutions, detailed explanations, and four related problems.

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1. Delayed Callback Execution

Write a JavaScript function that takes a callback and invokes it after a delay of 2 second.

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2. Callback to Promise Conversion

Write a JavaScript program that converts a callback-based function to a Promise-based function.

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3. HTTP GET with Promises

Write a JavaScript a function that makes an HTTP GET request and returns a Promise that resolves with the response data.

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4. Parallel URL Downloads with Promises

Write a JavaScript function that takes an array of URLs and downloads the contents of each URL in parallel using Promises.

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5. Sequential Async Operations

Write a JavaScript program that implements a function that performs a series of asynchronous operations in sequence using Promises and 'async/await'.

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6. Concurrent API Fetch with Promise.all

Write a JavaScript function that fetches data from multiple APIs concurrently and returns a combined result using Promises and 'Promise.all()'.

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7. API Fetch with Retry Mechanism

Write a JavaScript function that fetches data from an API and retries the request a specified number of times if it fails.

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8. Repeated Execution with setInterval

Write a JavaScript program to implement a function that executes a given function repeatedly at a fixed interval using 'setInterval()'.

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9. API Fetch with Timeout Cancellation

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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More to Come !

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Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.