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 vote154 views1 answer
Get id button clicked react
Javascript React
1 vote133 views1 answer
Adding int and string in react props
Javascript React
0 vote136 views1 answer
Map of filtered data react
Javascript React
0 vote508 views1 answer
How to embed an expression in react js
Javascript React
0 vote146 views1 answer
Npx code for src folder in react js
Javascript React
0 vote130 views1 answer
Text decoration react native
Javascript React
0 vote140 views1 answer
React auto import sometime not working
Javascript React
142 votes325 views6 answers
Create-react-app
Javascript React
2 votes136 views1 answer
React not getting img by src
Javascript React
1 vote153 views5 answers
React state
Javascript React