fetch

Question 1

What does fetch() return?

Answer 1

A promise.

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

Optional second argument which is an object that has the property “method” which specifies the request method.

Question 4

When does React call a component’s componentDidMount method?

Answer 4

Constructor runs then immediately render() is called then DOM is updated, then componentDidMount() is called.

Question 5

Name three React.Component lifecycle methods.

Answer 5

constructor
render
componentDidMount
componentDidUpdate
componentWillUnmount

Question 6

How do you pass data to a child component?

Answer 6

As a prop.