Created
February 6, 2019 13:10
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| import React, { useEffect, useState } from 'react' | |
| function Counter() { | |
| const [count, setCount] = useState(0) | |
| useEffect(() => { | |
| const interval = setInterval(() => { | |
| setCount(count + 1) | |
| }, 1000) | |
| return () => { | |
| clearInterval(interval) | |
| } | |
| }, []) | |
| return ( | |
| <div> | |
| Current count is: {count} | |
| </div> | |
| ) | |
| } | |
| export default Counter |
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