What does a Promise represent in JavaScript?
- A synchronous operation
- An asynchronous operation
- A specific data type
- A built-in JavaScript function
A Promise in JavaScript represents an asynchronous operation that may or may not be completed at a certain point in time. It's used to handle tasks like fetching data from a server or reading a file, which can take some time to complete. Promises provide a way to work with asynchronous code in a more structured and readable manner.
Loading...
Related Quiz
- The _________ method of an XMLHttpRequest object is used to send the request to a server.
- Can arrow functions be used as constructors?
- A common use-case for a "for" loop in asynchronous programming is to use it with the ________ function.
- The initial version of JavaScript was created in just _________ days.
- When using querySelectorAll, the returned object is a _______.