Input Datetime required attribute

HTML DOM Input Datetime Object

Definition and Usage

required Sets or returns whether the date and time field must be filled out before submitting the form.

This property reflects the HTML required attribute.

See also:

HTML Reference Manual:HTML <input> required Attribute

Example

Example 1

Determine whether the date and time field must be filled out before submitting the form:

var x = document.getElementById("myDatetime").required;

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Example 2

Set the date and time field as a required part of the form submission:

document.getElementById("myDatetime").required = true;

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Syntax

Return the required attribute:

datetimeObject.required

Set the required attribute:

datetimeObject.required = true|false

Attribute value

Value Description
true|false

Specify whether the date and time field should be a required part of the form submission.

  • true - The date and time field is a required part of the form submission
  • false - Default. The date and time field is not a required part of the form submission

Technical details

Return value: Boolean value, if the date and time field is a required part of the form submission, it returns true; otherwise return false.

Browser Support

The numbers in the table indicate the first browser version that fully supports this attribute.

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
Support 10.0 Support Support Support

Note:The <input type="datetime"> element does not display any date and time field/calendar in any mainstream browser except Safari.

HTML DOM Input Datetime Object