Consider the following
parent component
class Parent extends React.Component {
constructor(props) {
super(props);
this.state = { data: "" };
}
handleClick() {
this.setState({ data: "I am Clicked" });
this.refs.child.handleChild();
}
render() {
return (
<div>
<button onClick={this.handleClick.bind(this)} > Click Me</button>
<ChildComponent ref="child" />
</div>
);
}
}
Consider the child component
class ChildComponent extends React.Component {
constructor(props) {
super(props);
this.state = { childData: "Child function is called" };
}
handleChild() {
alert(this.state.childData)
}
render() {
return (
<div> </div>
);
}
}
As shown above we can make use of
"ref" on child component and using this.refs we can call any function
in the child component
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