convert unix timestamp to readable format in javascript

unixtime_to_readable.js

// create a new Date object, foo
var foo = new Date;

// prompt user for a input (e.g. unix timestamp) 
//var unixTimestamp = prompt("Enter Unix Timestamp");

// get current system time, getTime()
var unixTimestamp = parseInt(foo.getTime() / 1000);

// call a function in a constructor context
var unixTimeToDate = new Date(unixTimestamp * 1000);

console.log(unixTimeToDate);