index.js

import React from "react";
export const ParticipantBox = (props) => {
   let s = new Date(props.info.start_time);
   let e = new Date(props.info.end_time);
   return (<div className="part-box">
        <div className="part-name">Participant Id: {props.info.user_id}</div>
        <div className="part-start">Start Time: {s.toLocaleString()}</div>
        <div className="part-end">End Time: {e.toLocaleString()}</div>
    </div>);
};

export default ParticipantBox;