javascript convert timestamp to duration code example

Example 1: unix time to date javascript

const unixTime = 1210981217;
const date = new Date(unixTime*1000);
console.log(date.toLocaleDateString("en-US"));
//expected: "5/16/2008"

Example 2: convert datetime to timestamp javascript

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