13 Controlled Inputs

vi src/ContactsList.js

import React from 'react';
import Contact from './Contact';
class ContactsList extends React.Component{
     constructor(){
        super();
        this.state ={
            search:'Level Up'
        };
     }

     updateSearch(event){
        // console.log(event.target.value);
        this.setState({search:event.target.value.substr(0,20)});

     }
    render(){
         console.log(this.props.contacts);

        return(
            <div>
            <ul>
            {this.props.contacts.map((contact)=>{
                return <Contact  contact={contact} key={contact.id}/>
            })}


            </ul>
            <input type="text" 
            value={this.state.search}
            onChange={this.updateSearch.bind(this)}
            />
            </div>
            )
    }
}
export default ContactsList;