How do I edit multiple input controlled components in React?

Question

I have a component that stores a contact object as state - {firstName: \"John\", lastName: \"Doe\", phone: \"1234567890} I want to create a form to edit this object but if I

Answer 1

You can do it without duplicate code and easy way

handleChange=(e)=>{
    this.setState({
        [e.target.id]:e.target.value
    })
}