Promises Flashcards
1
Q
What are the three states a Promise can be in?
A
pending, fulfilled, rejected
2
Q
How do you handle the fulfillment of a Promise?
A
then() method of Promise.prototype
3
Q
How do you handle the rejection of a Promise?
A
catch() method of Promise.prototype
4
Q
What does fetch() return?
A
a promise
5
Q
What is the default request method used by fetch()?
A
GET
6
Q
How do you specify the request method (GET, POST, etc.) when calling fetch?
A
create a request object and pass it in fetch as an argument
7
Q
When does React call a component’s componentDidMount method?
A
after the first element is rendered
8
Q
Name three React.Component lifecycle methods.
A
componentdidupdate, componentdidmount
9
Q
How do you pass data to a child component?
A
using props
