var x = new Date();
var heures = x.getHours();
var minutes = x.getMinutes();
if (minutes <= 9) minutes = "0" + minutes;
var secondes = x.getSeconds();
if (secondes <= 9) secondes = "0" + secondes;

var horaire = heures + " heures " + minutes + " minutes et " + secondes + " secondes";

var horaire2 = heures + ":" + minutes + ":" + secondes;