using timestamp in javasccript code example

Example 1: js timestamp

var timestamp = new Date().getTime();

Example 2: how to get the timestamp in javascript

const currentTimeInSeconds=Math.floor(Date.now()/1000); //unix timestamp in seconds

Example 3: date to timestamp javascript

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