Get last date of the current month in jQuery

Get last date of the current month in jQuery

JavaScript

var date = new Date();
var firstDay = new Date(date.getFullYear(), date.getMonth(), 1);
var lastDay = new Date(date.getFullYear(), date.getMonth() - 1, 0);

var lastDayWithSlashes = (lastDay.getDate()) + '/' + (lastDay.getMonth() + 1) + '/' + lastDay.getFullYear();

alert(lastDayWithSlashes);