is-date.js 248 Bytes Raw Blame History Permalink 1 2 3 4 5 6 7 8 9 10 "use strict"; var objToString = Object.prototype.toString, id = objToString.call(new Date()); module.exports = function (value) { return ( (value && !isNaN(value) && (value instanceof Date || objToString.call(value) === id)) || false ); };