React components has a built-in state object. The state object is where you store property values that belongs to the component . When the state object changes, the component re-renders.
Read moreWhy we use state in React instead of variable?
Though using state may seem similar to class variable but state is a protected keyword in React that refers to stored component data . The major difference between using class variables and state is updating data. Instead of manually reassigning the variable, you call this. setState() .
Read moreHow do you increment in React?
Display initial count as 0 on page load. Display Button to increment the count. Increment count by 1 on button click. Display the updated count on the screen.
Read moreHow do I add a counter in react native?
import React, { Component } from ‘react’; import { StyleSheet, View } from ‘react-native’; import Counter from ‘./Counter’; export default class App extends Component { constructor() { super(); this. state = { counter: 0 }; this. handleOnClick = this.
Read moreHow do I add a counter in react native?
import React, { Component } from ‘react’; import { StyleSheet, View } from ‘react-native’; import Counter from ‘./Counter’; export default class App extends Component { constructor() { super(); this. state = { counter: 0 }; this. handleOnClick = this.
Read moreHow do you make a counter in React?
How to Create a Counter in React JS
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