Input FileUpload required Property

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

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

Description

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.

Property
required	Yes	10.0	Yes	Not supported	Yes

Return the required property:

fileuploadObject.required

Set the required property:

fileuploadObject.required = true|false

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

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

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

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