1var timestamp = new Date().getTime();

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"

1var currentTimeInSeconds=Math.floor(Date.now()/1000); //unix timestamp in seconds
2var currentTimeInMilliseconds=Date.now(); // unix timestamp in milliseconds

1Math.floor(+new Date() / 1000)
2

1+ new Date()
2