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<!DOCTYPE html>
<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>
var myDate = new Date();
document.getElementById("demo").innerHTML = isDate(myDate);
​
function isDate(myDate) {
  return myDate.constructor.toString().indexOf("Date") > -1;
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_date_isdate by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:28:15 GMT -->
</html>
​
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