pass data from parent to child react usecontext code example
Example 1: react pass prop to parent
import React, { useState, Component } from 'react';
import Input from '../../shared/input-box/InputBox'
const Form = function (props) {
const [value, setValue] = useState('');
const onchange = (data) => {
setValue(data)
console.log("Form>", data);
}
return (
<div>
<Input data={value} onchange={(e) => { onchange(e) }}/>
</div>
);
}
export default Form;
import React from 'react';
const Input = function (props) {
console.log("Props in Input :", props);
const handleChange = event => {
props.onchange(event.target.value);
}
return (
<div>
<input placeholder="name"
id="name"
onChange= {handleChange}
/>
</div>
);
}
export default Input;
Example 2: how to pass state from parent to child in react
class SomeParentComponent extends React.Component {
constructor(props) {
super(props);
this.state = {color: 'red'};
}
render() {
return <SomeChildComponent color={this.state.color} />;
}
}