timestamp js

const ts = () => Math.floor(new Date().getTime() / 1000);var timestamp = new Date().getTime();var currentTimeInSeconds=Math.floor(Date.now()/1000); //unix timestamp in seconds
var currentTimeInMilliseconds=Date.now(); // unix timestamp in millisecondsnew Date().getTime()

new Date().valueOf()const currentTimeInMilliseconds=Date.now(); // unix timestamp in millisecondsMath.floor(new Date() / 1000) // in seconds