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<html><body><h2>JavaScript Date Object</h2><p>This "home made" isDate() function returns true when used on an date:</p><p id="demo"></p><script>const myDate = new Date();document.getElementById("demo").innerHTML = isDate(myDate);function isDate(myDate) { return myDate.constructor === Date;}</script></body><!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_type_isdate by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 05 Sep 2022 14:46:47 GMT --></html>