THE WORLD'S LARGEST WEB DEVELOPER SITE

Input FileUpload required Property

❮ Input FileUpload Object

Example

Find out if a file must be selected/uploaded before submitting a form:

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

The result of x will be:

true
Try it Yourself »

Definition and Usage

The required property sets or returns whether a file in the file upload field must be selected/uploaded before submitting a form.

This property reflects the HTML required attribute.


Browser Support

Property
required Yes 10.0 Yes Not supported Yes

Syntax

Return the required property:

fileuploadObject.required

Set the required property:

fileuploadObject.required=true|false

Property Values

Value Description
true|false Specifies whether a file upload field should be a required part of form submission.
  • true - The file upload field is a required part of form submission
  • false - Default. The file upload field is not a required part of form submission

Technical Details

Return Value: A Boolean, returns true if the file upload field is a required part of form submission, otherwise it returns false

More Examples

Example

Set a file upload field to be a required part of form submission:

document.getElementById("myFile").required = true;
Try it Yourself »

Related Pages

HTML reference: HTML <input> required attribute


❮ Input FileUpload Object