Reading Assignment 2

React Lifecycle

https://medium.com/@joshuablankenshipnola/react-component-lifecycle-events-cb77e670a093

Based off the diagram, what happens first, the ‘render’ or the ‘componentDidMount’?

According to diagram, it appears the the component renders before the componentDidMount runs!.

What is the very first thing to happen in the lifecycle of React?

The very first thing that happens in React is the mounting phase. Which consists of Constructor, staticgetDerivedStateFromProps, render, componentDidMount, and UNSAFE_componentWillMount all occur in this order during mounting.

Put the following things in the order that they happen: componentDidMount, render, constructor, componentWillUnmount, React Updates

1.Constructor

2.Render

3.React Updates

4.ComponentDidMount

5.ComponentWillUnmount

What does componentDidMount do? This method is invoked immediately after a component is mounted. If you need to load anything using a network request or initialize the DOM, it should go here.

Videos

React State Vs Props

Responses are in response to information discussed in the following video! https://www.youtube.com/watch?v=IYvD9oBCuJI Your browser does not support the video tag. </video>

What types of things can you pass in the props? Titles, Subtitles.

What is the big difference between props and state?

Props are passed into a component and must be updated outside of a component. States are handled within a component and can be updated within.

When do we re-render our application?

When ever something is changed in code. You would re render your application. When ever there is a change in state or props.

What are some examples of things that we could store in state?

We may store data which may be a string , number, or any complex object!

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