Can you explain what asynchronous functions are in JavaScript?
Asynchronous functions in JavaScript allow you to write code that can perform tasks without blocking the execution of other code.
How do they differ from synchronous functions?
Synchronous functions execute in sequence, blocking the next line of code until the current one finishes, while asynchronous functions can run in the background.
Can you give me an example of an asynchronous function?
Sure! A common example is using the fetch
API to make network requests. It returns a promise that resolves when the data is available.
What are promises in this context?
Promises are objects that represent the eventual completion (or failure) of an asynchronous operation and its resulting value.
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