Explain error boundaries?
Error boundaries help you to catch Javascript error anywhere in the child components. They are most used to log the error and show a fallback UI.
What are children prop?
Children props are used to pass component to other components as properties. You can access it by using {props.children}
Explain the use of ‘key’ in react list
Keys allow you to provide each list element with a stable identity. The keys should be unique.
What is ‘create-react-app’?
‘create-react-app’ is a command-line tool which allows you to create one basic react application.
What kind of information controls a segment in React?
There are mainly two sorts of information that control a segment: State and Props State: State information that will change, we need to utilize State. Props: Props are set by…
Explain pure components in React js
Pure components are the fastest components which can replace any component with only a render(). It helps you to enhance the simplicity of the code and performance of the application.
State the main difference between Pros and State
The main difference the two is that the State is mutable and Pros are immutable.
What are the lifecycle steps of React?
Important lifecycle steps of React js are: Initialization State/Property updates Destruction are the lifecycle of React
Explain the use of the arrow function in React
The arrow function helps you to predict the behavior of bugs when passed as a callback. Therefore, it prevents bug caused by this all together.
How can you update state in react js?
A state can be updated on the component directly or indirectly.