how to convert date and time to timestamp in javascript code example

Example 1: convert date to timestamp javascript

//  human date --> timestamp

function toTimestamp(strDate){
   var datum = Date.parse(strDate);
   return datum/1000;
}
alert(toTimestamp('02/13/2009 23:31:30'));

Example 2: 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 3: convert datetime to timestamp javascript

function toTimestamp(strDate){ var datum = Date.parse(strDate); return datum/1000;}