javascript get date without time

function WithoutTime(dateTime) {
    var date = new Date(dateTime.getTime());
    date.setHours(0, 0, 0, 0);
    return date;
}

const handleTime = (dataD) => {
    let data= new Date(dataD)
    let hrs = data.getHours()
    let mins = data.getMinutes()
    if(hrs<=9)
       hrs = '0' + hrs
    if(mins<10)
      mins = '0' + mins
    const postTime= hrs + ':' + mins
    return postTime
  }