Input DatetimeLocal required attribute
Definition and Usage
required
Attribute sets or returns whether the local 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-attribut
Example
Example 1
Determine whether the local date and time field must be filled out before submitting the form:
var x = document.getElementById("myLocalDate").required;
Example 2
Set the local date and time field as a required part of the form submission:
document.getElementById("myLocalDate").required = true;
Syntax
Return the required attribute:
datetimelocalObject.required
Set the required attribute:
datetimelocalObject.required = true|false
Attribute value
Value | Description |
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true|false |
Specify whether the local date and time field should be a required part of the form submission.
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Technical details
Return value: | Boolean value, if the local date and time field is a required part of the form submission, it returns true annars returnera false . |
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Webbläsarstöd
Numrerna i tabellen anger den första webbläsarens version som helt stöder detta attribut.
Chrome | Edge | Firefox | Safari | Opera |
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Chrome | Edge | Firefox | Safari | Opera |
Stödjer | 10.0 | Stödjer | Stödjer | Stödjer |
Observera:Elementet <input type="datetime-local"> visar inga datum- eller tidsfält/kalender i Firefox.