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 vote130 views1 answer
Dynamic for loop react
Javascript React
16 votes167 views2 answers
Where to put background images in react app
Javascript React
0 vote136 views1 answer
How to filter items in react state
Javascript React
0 vote148 views1 answer
React js practical tutorial
Javascript React
0 vote136 views1 answer
Create react portal
Javascript React
0 vote101 views2 answers
React refresh page not found
Javascript React
0 vote161 views1 answer
React Native Expo Scrollview Scroll to bottom
Javascript React
0 vote146 views1 answer
Error-too-many-re-renders-react-limits-the-number-of-renders-to-prevent
Javascript React
0 vote145 views1 answer
Change poiter text input color react native
Javascript React
0 vote146 views1 answer
./src/components/Header/HeaderElements.js [1] Module not found: Can't resolve 'react-icons/fa' in '/Users/rubenmatamoros/Desktop/ucf-coding-bootcamp-2020/fitter/client/src/components/Header'
Javascript React