js utc timestamp miliseconds code example

Example 1: javascript get timestamp

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

Example 2: js get current seconds

const timestamp = new Date() / 1000; // 1405792936.933
// Technically, .933 would be milliseconds.