Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<body>

Enter a date and time between 2000-10-06 22:22:55 and 2014-11-16 21:25:33:
<input type="datetime-local" id="myLocalDate" min="2000-10-06T22:22:55" max="2014-11-16T21:25:33">

<p>Click the button to display the value of the min attribute of the local datetime field.</p>

<button onclick="myFunction()">Try it</button>

<p><strong>Note:</strong> input elements with type="datetime-local" do not show as any datetime field/calendar in Firefox.</p>

<p id="demo"></p>

<script>
function myFunction() {
    var x = document.getElementById("myLocalDate").min;
    document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>