JAVASCRIPT

javascript date first day of current month

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

get last day of month javascript

var today = new Date();
var lastDayOfMonth = new Date(today.getFullYear(), today.getMonth()+1, 0);

get first and last date of month in javascript

const firstDay = new Date(now.getFullYear(), now.getMonth(), 1);
console.log(firstDay); // Sat Oct 01 2022 ...

const lastDay = new Date(now.getFullYear(), now.getMonth() + 1, 0);
console.log(lastDay); // Mon Oct 31 2022 ...

get the last day of the month in js

let today = new Date();
let lastDayOfMonth = new Date(today.getFullYear(), today.getMonth()+1, 0);
let numberOfDays = lastDayOfMonth.getDate();

get the last day of the month in js

let today = new Date();
let lastDayOfMonth = new Date(today.getFullYear(), today.getMonth()+1, 0);
let numberOfDays = lastDayOfMonth.getDate();

javascript first and last day of the month

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

js get first and last day of previous month

var d = new Date();
d.setDate(0); //sets d to the last day of the previous month
d.setDate(1); //sets d the the first day of that month
d.setHours(0,0,0,0); //sets d time to midnight

//d now equals the first day of the month before today