react setstate in another component
// myContainer.js
import React, { useState } from 'react'
import MyChild from 'some/path/myChild'
function MyContainer() {
const [name, setName] = useState('foo')
return (
<MyChild name={name} onNameChange={setName} />
)
}
export default MyContainer
// myChild.js
import React, { useCallback } from 'react'
function MyChild({ name, onNameChange }) {
const handleInputChange = useCallback(event => {
onNameChange(event.target.value)
}, [onNameChange])
return (
<div>
<input type="text" onChange={handleInputChange} value={name} />
<div>The name is: {name}</div>
</div>
)
}
export default MyChild
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