JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Fetch API / 189

The video tutorial explains the fetch method in JavaScript, focusing on sending GET requests and handling responses using promises. It covers converting fetch calls into functions, handling errors, and working with endpoints and arrays. The tutorial also introduces async/await for managing asynchronous operations and concludes with a brief overview of other HTTP methods like POST, PUT, and DELETE.

What is the default HTTP method used by the fetch function?

• GET

• POST

• PUT

• DELETE

Which method is used to convert a response to JSON in a fetch request?

• response.convertToJSON()

• JSON.parse(response)

• response.json()

• response.toJSON()

What is the role of the .then method in handling promises?

• To reject a promise

• To catch errors

• To execute code after a promise is resolved

• To create a new promise

Which method is used to handle errors in a fetch request?

• catch

• finally

• error

• try/catch

What is an endpoint in the context of web APIs?

• A URL where an API can be accessed

• A function that processes data

• A method to handle errors

• A type of HTTP request

How can you access individual objects in an array returned by a fetch request?

• Using the filter method

• Using a for loop

• Using the map method

• Using the forEach method

What keyword is used to pause the execution of an async function until a promise is resolved?

• await

• stop

• pause

• wait

Which HTTP method is used to update existing data on a server?

• POST

• GET

• DELETE

• PUT

What is the purpose of using async/await in JavaScript?

• To handle errors

• To handle synchronous code

• To simplify promise-based code

• To create new promises

Which HTTP method is typically used to delete data from a server?

• DELETE

• GET

• POST

• PUT