import React from 'react'; import axios from 'axios'; class Person extends React.Component { deletePerson = ()=>{ axios .delete( `https://desolate-thicket-29906.herokuapp.com/api/contacts/${this.props.data.id}` ).then(()=>{ this.props.refreshCallback(); }) } updatePerson = (event)=>{ event.preventDefault(); axios .put( `https://desolate-thicket-29906.herokuapp.com/api/contacts/${this.props.data.id}`, { name:this.state.name, age:this.state.age } ).then(()=>{ this.props.refreshCallback(); }) } changeName = (event)=>{ this.setState({ name:event.target.value }) } changeAge = (event)=>{ this.setState({ age:event.target.value }) } render = ()=>{ return