Usestate in react

Usestate hook

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

Usestate in react

  const [x, setx] = useState(0);

Source: reactjs.org

How to usestate in react

...
const [count, setCounter] = useState(0);
const [moreStuff, setMoreStuff] = useState(...);
...

const setCount = () => {
    setCounter(count + 1);
    setMoreStuff(...);
    ...
};

Source: stackoverflow.com

Usestate react

import React, { useState } from 'react';

function Example() {
	
  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 useState hook

 1:  import React, { useState } from 'react'; 2:
 3:  function Example() {
 4:    const [count, setCount] = useState(0); 5:
 6:    return (
 7:      <div>
 8:        <p>You clicked {count} times</p>
 9:        <button onClick={() => setCount(count + 1)}>10:         Click me
11:        </button>
12:      </div>
13:    );
14:  }

Source: reactjs.org

Usestate in react

The initial value will be assigned only on the initial render (if it’s a function, it will be executed only on the initial render).

Source: blog.logrocket.com

Similar codes

0 vote214 views2 answers
Run build version react
Javascript React
0 vote220 views1 answer
Make custom draggable in react
Javascript React
0 vote239 views1 answer
Handling props in functional components reactjs ijnterview questions
Javascript React
0 vote242 views1 answer
Props with ternary in react
Javascript React
0 vote206 views1 answer
Hooks developed by react native
Javascript React
0 vote213 views1 answer
Persian calender for react-native
Javascript React
0 vote160 views2 answers
Syntax attribute same as name react
Javascript React
0 vote222 views1 answer
Double click react
Javascript React
0 vote185 views1 answer
Dropdown search field in react native
Javascript React
0 vote188 views1 answer
React-navigation headerbackbutton not export member of navigation
Javascript React