import React from 'react'
import ReactDOM from 'react-dom'
import './index.css'
import App from './App'
// import registerServiceWorker from './registerServiceWorker'

performance.mark('renderStart')
const start = performance.now()
ReactDOM.render(<App />, document.getElementById('root'))
performance.mark('renderStop')
const stop = performance.now()
performance.measure('render', 'renderStart', 'renderStop')
console.log('performance', performance.getEntriesByName('render')[0].duration)
console.log('performance.now', stop - start)

// registerServiceWorker()