Input DatetimeLocal required Property - Javascript DOM HTML Element

Javascript examples for DOM HTML Element:Input Datetime Local

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Description

The required property sets or gets whether a local datetime field must be filled out before submitting a form.

This property reflects the HTML required attribute.

Set the required property with the following Values

Value Description
true|false Sets whether a local datetime field should be a required part of form submission.
  • true - The local datetime field is a required
  • false - Default. The local datetime field is not a required

Return Value

A Boolean, returns true if the local datetime field is a required part of form submission, otherwise it returns false

The following code shows how to check if a local datetime field must be filled out before submitting a form:

Demo Code

ResultView the demo in separate window 

<!DOCTYPE html>
<html>
<body>

<form action="#">
  Date: <input type="datetime-local" id="myLocalDate" name="date">
  <input type="submit">
</form>//from   ww  w. j  ava 2 s . co  m

<button onclick="myFunction()">Test</button>

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

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

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