React state

How to define state in react function

import React, { useState } from 'react';

function Example() {
  // Declare a new state variable, which we'll call "count" 
  const [count, setCount] = useState(0);
  return (
    <div>
      <p>You clicked {count} times</p>
      <button onClick={() => setCount(count + 1)}>
        Click me
      </button>
    </div>
  );
}

Source: reactjs.org

React state

const [stateName, SetStateName] = useState();
SetStateName('any name');

React sagas state

import { select } from 'redux-saga/effects';
...
let data = yield select(stateSelectorFunction);

Source: stackoverflow.com

Reading state react

const Example = (props) => {
  // You can use Hooks here!
  return <div />;
}

Source: reactjs.org

React lifecycle hooks

class Content extends React.Component {
  // ...
  componentWillMount() {
    this.setState({ activities: data });
  }
  // ...
}

-1

Source: newline.co

Similar codes

0 vote158 views1 answer
How to make back button react
Javascript React
0 vote125 views1 answer
Fcctest cdn reactjs setup
Javascript React
0 vote139 views1 answer
React router not working with aws amplify
Javascript React
0 vote119 views1 answer
Remove console messages of react-i18next
Javascript React
-1 vote136 views2 answers
React native Platform
Javascript React
69 votes121 views6 answers
React icon
Javascript React
0 vote112 views1 answer
React link onclick refresh page
Javascript React
1 vote137 views1 answer
Retour a la ligne <p> react
Javascript React
0 vote124 views1 answer
Package path ./react is not exported from package next-auth
Javascript React
-1 vote117 views1 answer
Import ReactDOM from "react-dom";
Javascript React