X
HOME HTML5 CSS3 JAVASCRIPT SQL PHP5 JQUERY ANGULAR BOOTSTRAP3 XML MORE...
REFERENCES | EXAMPLES | FORUM | ABOUT

HTML <input> required Attribute

HTML input Tag Reference HTML <input> tag

Example

An HTML form with a required input field:

<form action="demo_form.asp">
  Username: <input type="text" name="usrname" required>
  <input type="submit">
</form>

Try it yourself »

Definition and Usage

The required attribute is a boolean attribute.

When present, it specifies that an input field must be filled out before submitting the form.

Note: The required attribute works with the following input types: text, search, url, tel, email, password, date pickers, number, checkbox, radio, and file.


Browser Support

The numbers in the table specify the first browser version that fully supports the attribute.

Attribute
required 5.0 10.0 4.0 Not supported 9.6


Differences Between HTML 4.01 and HTML5

The required attribute is new in HTML5.


Differences Between HTML and XHTML

In XHTML, attribute minimization is forbidden, and the required attribute must be defined as <input required="required" />.


Syntax

<input required>


HTML input Tag Reference HTML <input> tag

Your suggestion:

Close [X]

Thank You For Helping Us!

Your message has been sent to W3Schools.

Close [X]
Search w3schools.com:

WEB HOSTING

UK Reseller Hosting

WEB BUILDING

Download XML Editor FREE Website BUILDER Free HTML5 Templates

SHARE THIS PAGE

facebook