js get current seconds

JavaScript
// Rounds the value
const timestamp = Math.round(new Date() / 1000); // 1405792937

// - OR -

// Floors the value
const timestamp = new Date() / 1000 | 0; // 1405792936const timestamp = new Date() / 1000; // 1405792936.933
// Technically, .933 would be milliseconds. 
Source

Also in JavaScript: