Input Text required Attribute

Definition and Usage

required Sets or returns whether the text field must be filled out before submitting the form.

This attribute reflects the HTML required attribute.

See also:

HTML Reference Manual:HTML <input> required Attribute

Example

Example 1

Determine whether the text field must be filled out before submitting the form:

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

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Example 2

Set the text field as a required part of the form submission:

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

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Syntax

Return the required attribute:

textObject.required

Set the required attribute:

textObject.required = true|false

Attribute value

Value Description
true|false

Specify whether the text field should be a required part of the form submission.

  • true - The text field is a required part of the form submission
  • false - Default. The text field is not a required part of the form submission.

Technical Details

Return Value: Boolean value, returned if the text field is a required part of the form submission. true; otherwise return false.

Browser Support

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

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
Supported 10.0 Supported Not Supported Supported