HTML DOM Input Email required Attribute

The required attribute is used to set or return whether the email field in a form is required (must be filled out before submission).

Definition and Usage

The required attribute specifies that an input field must be filled out before submitting the form.

This attribute reflects the HTML required attribute.

Browser Support

The required attribute is supported in all major browsers, except Internet Explorer 9 and earlier versions of IE, and Safari.

Note: Internet Explorer 9 (and earlier versions), or Safari do not support the HTML <input> element with type="email".

Syntax

Get the required attribute:

emailObject.required

Set the required attribute:

emailObject.required=true|false

Property Values

Value	Description
true|false	Specifies whether the email field is required before form submission. true - The email field is a required part of the form. false - Default. The email field is an optional part of the form.

Technical Details

Return Value:	A Boolean. Returns true if the email field is a required part of the form, otherwise returns false.

More Examples

Example

Set the email field as a required part of the form:

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

Try it Yourself »

Related Pages

HTML Reference: HTML <input> required Attribute