locutus/php/datetime/checkdate.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.checkdate = checkdate;
function checkdate(m, d, y) {
    //      discuss at: https://locutus.io/php/checkdate/
    // parity verified: PHP 8.3
    //     original by: Kevin van Zonneveld (https://kvz.io)
    //     improved by: Pyerre
    //     improved by: Theriault (https://github.com/Theriault)
    //       example 1: checkdate(12, 31, 2000)
    //       returns 1: true
    //       example 2: checkdate(2, 29, 2001)
    //       returns 2: false
    //       example 3: checkdate(3, 31, 2008)
    //       returns 3: true
    //       example 4: checkdate(1, 390, 2000)
    //       returns 4: false
    return m > 0 && m < 13 && y > 0 && y < 32768 && d > 0 && d <= new Date(y, m, 0).getDate();
}