class Child extends Component {
componentDidMount(){
let name = this.props.default;
console,log(name);
}
render(){
const { default} = this.props;
return (
<Input />
)
}
}
import React, { Component } from 'react';
import Child from './Child';
class Parent extends Component {
state = {
name: 'Bob'
}
render() {
return (
<div>
<Child default={this.state.name} />
</div>
)
}
}
class Child extends Component {
state={
name:'Bob'
}
componentDidMount(){
this.props.toParent(this.state.name);
}
render(){
return (
<Input />
)
}
}
import React, { Component } from 'react';
import Child from './Child';
class Parent extends Component {
state = {
name:''
}
getChildInfo = (name)=>{
this.setState({name:name});
}
render() {
return (
<div>
<Child toParent={this.getChildInfo.bind(this)} />
</div>
)
}
}
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