What is the use of a super keyword in React?
The super keyword helps you to access and call functions on an object’s parent.
What are Props in react js?
Props mean properties, which is a way of passing data from parent to child. We can say that props are just a communication channel between components. It is always moving…
Explain the Presentational segment
A Presentational part is a segment which allows you to renders HTML. The segment’s capacity is presentational in markup.
Explain the term high order component
A higher-order component also shortly known as HOC is an advanced technique for reusing component logic. It is not a part of the React API, but they are a pattern which…
What is meant by callback function? What is its purpose?
A callback function should be called when setState has finished, and the component is re-rendered. As the setState is asynchronous, which is why it takes in a second callback function.
What is dispatcher?
A dispatcher is a central hub of app where you will receive actions and broadcast payload to registered callbacks.
What is Jest?
Jest is a JavaScript unit testing framework created by Facebook based on Jasmine. It offers automated mock creation and a jsdom environment. It is also used as a testing component.
What are the popular animation package in React ecosystem?
Popular animation package in React ecosystem are React Motion React Transition Group
Explain React Router
React Router is a routing library which allows you to add new screen flows to your application, and it also keeps URL in sync with what’s being shown on the…
Explain the term stateless components
Stateless components are pure functions that render DOM-based solely on the properties provided to them.