1Math.round(new Date().getTime() / 1000).toString()

1const unixTime = 1210981217;
2const date = new Date(unixTime*1000);
3console.log(date.toLocaleDateString("en-US"));
4//expected: "5/16/2008"

1new Date('2012.08.10').getTime() / 1000

1new Date('2012.08.10').getTime() / 1000 //secs
2new Date('2012.08.10').getTime() //milliseconds

1+ new Date()
2

1var unixTimestamp = moment('2012.08.10', 'YYYY.MM.DD').unix();