Получить последний день месяца JavaScript
var today = new Date();
var lastDayOfMonth = new Date(today.getFullYear(), today.getMonth()+1, 0);
Mysterious Mantis
var today = new Date();
var lastDayOfMonth = new Date(today.getFullYear(), today.getMonth()+1, 0);var today = new Date();
var lastDayOfMonth = new Date(today.getFullYear(), today.getMonth()+1, 0);
var today = new Date();
var lastDayOfMonth = new Date(today.getFullYear(), today.getMonth()+1, 1);