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how to count react renders

Thankful Tarantula answered on March 9, 2022 Popularity 8/10 Helpfulness 4/10

answer how to count react renders

how to count react renders

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// play with this on codesandbox: https://codesandbox.io/s/react-codesandbox-g9mt5

import * as React from 'react'
import ReactDOM from 'react-dom'

function Logger(props) {
  console.log(`${props.label} rendered`)
  return null // what is returned here is irrelevant...
}

function Counter() {
  const [count, setCount] = React.useState(0)
  const increment = () => setCount(c => c + 1)
  return (
    <div>
      <button onClick={increment}>The count is {count}</button>
      <Logger label="counter" />
    </div>
  )
}

ReactDOM.render(<Counter />, document.getElementById('root'))

Popularity 8/10 Helpfulness 4/10 Language javascript

Source: kentcdodds.com

Tags: count javascript

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Contributed on Mar 09 2022

Thankful Tarantula

0 Answers Avg Quality 2/10

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how to count react renders

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