timestamp js

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

new Date().getTime()

new Date().valueOf()

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

const currentTimeInMilliseconds=Date.now(); // unix timestamp in milliseconds

Math.floor(Date.now() / 1000)

Math.floor(new Date() / 1000) // in seconds

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