What is React State?
It is an object which decides how a specific component renders and how it behaves. The state stores the information which can be changed over the lifetime of a React…
Explain synthetic event in React js
Synthetic event is a kind of object which acts as a cross-browser wrapper around the browser’s native event. It also helps us to combine the behaviours of various browser into…
Name two types of React component
Two types of react Components are: Function component Class component
Explain yield catchphrase in JavaScript
The yield catchphrase is utilized to delay and resume a generator work, which is known as yield catchphrase.
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.