Input Datetime readOnly Attribute

HTML DOM Input Datetime Object

Definition and Usage

readOnly Sets or returns whether the date-time field should be read-only.

You cannot modify read-only fields. However, users can select, highlight it, and copy text from it.

This property reflects the HTML readonly attribute.

Tip:If you want to prevent users from interacting with the field, use disabled attribute.

See Also:

HTML Reference Manual:HTML <input> readonly Attribute

Example

Example 1

Set the date-time field to read-only:

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

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Example 2

Check if the date-time field is read-only:

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

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Syntax

Return readOnly attribute:

datetimeObject.readOnly

Set readOnly attribute:

datetimeObject.readOnly = true|false

Attribute Value

Value Description
true|false

Specifies whether the date-time field should be read-only

  • true - The date-time field is read-only
  • false - Default. The date-time field is not read-only

Technical Details

Return value: Boolean value, returned if the date-time field is read-only trueIf not, 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/time field/calendar in any mainstream browser except Safari.

HTML DOM Input Datetime Object