Fetch

Question 1

What does fetch() return?

Answer 1

A Promise that resolves to a Response object.

Question 2

What is the default request method used by fetch()?

Answer 2

GET

Question 3

How do you specify the request method (GET, POST, etc.) when calling fetch?

Answer 3

You pass it as one of the parameters when Fetch is being called.
ex.
fetch(resource, options)

resource
This defines the resource that you wish to fetch. This can either be:

A string or any other object with a stringifier — including a URL object — that provides the URL of the resource you want to fetch.
A Request object.
options Optional
An object containing any custom settings that you want to apply to the request. The possible options are:

method
The request method, e.g., GET, POST. Note that the Origin header is not set on Fetch requests with a method of HEAD or GET. (This behavior was corrected in Firefox 65 — see bug 1508661.)

Question 4

When does React call a component’s componentDidMount method?

Answer 4

After the first successful render
see => https://projects.wojtekmaj.pl/react-lifecycle-methods-diagram/

Question 5

Name three React.Component lifecycle methods.

Answer 5

1. componentDidMount()
2. constructor()
3. render()

Question 6

How do you pass data to a child component?

Answer 6

You pass it as a prop