datetime from date object javascript code example

Example 1: get time from date javascript

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
  }

Example 2: javascript date

const d = new Date();
d.getFullYear(); // 2020
d.getMonth(); // October
d.getDate(); // 4
d.getHours(); // 11
d.getMinutes(); // 20
d.getSeconds(); // 12
d.getMilliseconds(); // 0
d.getTime(); // ????????????