The input DateTimeLocal list property in HTML DOM returns a reference to the list element that contains an input datetimelocal field.
Syntax:
DatetimelocalObject.list.idReturn Value: It returns a string value that represents the value of the id attribute of the datalist element.
Example: This HTML code returns the input DateTimeLocal list Property.
<!DOCTYPE html>
<html>
<head>
<title>
HTML DOM Input DatetimeLocal list Property
</title>
</head>
<body style="text-align: center;">
<h1>GeeksforGeeks</h1>
<h2>HTML DOM Input DatetimeLocal list Property</h2>
<br> Date Of Birth:
<input type="datetime-local"
list="DateTimeLocal_list"
id="Test_DatetimeLocal">
<datalist id="DateTimeLocal_list">
<option value="2019-02-04T12:32:20.51">
<option value="2019-02-04T12:32:20.51">
<option value="2019-02-04T12:32:20.51">
<option value="2019-02-04T12:32:20.51">
</datalist><br><br>
<button onclick="My_DatetimeLocal()">
Click Here!
</button>
<p id="result"></p>
<script>
function My_DatetimeLocal() {
let x = document.getElementById(
"Test_DatetimeLocal").list.id;
document.getElementById("result").innerHTML = x;
}
</script>
</body>
</html>
Output:

Supported Browsers:
- Google Chrome 20
- Edge 12
- Firefox 93
- Opera 11
- Safari 14.1