JAVASCRIPT

get epoch timestamp js

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

get current time epoch javascript

var a = Date.now();

// Returns miliseconds since epoch

epoch time js

let nowInMs = Date.now();
let nowInSecond = Math.round(nowInMs/1000);
console.log(nowInSecond); //

javascript today date in epoch

const start = Date.now(); 
/*gives the number of milliseconds elapsed since January 1, 1970 00:00:00 UTC.*/