Textarea requiredProperties

Examples

Detect whether the textarea must be filled in before submitting the form:

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

The required attribute is used to set or return whether the textarea element must be filled in before submitting the form.

Attribute
required	Yes	10.0	Yes	Not supported	Yes

Return the required attribute:

textareaObject.required

Set the required attribute:

textareaObject.required = true|false

Value	Description
true\|false	Specifies whether the textarea element must be filled in before the form is submitted. true - The textarea element must be filled in before the form is submitted. false - Default. The textarea element does not need to be filled in before the form is submitted.

Value

Description

true|false

Specifies whether the textarea element must be filled in before the form is submitted.

true - The textarea element must be filled in before the form is submitted.
false - Default. The textarea element does not need to be filled in before the form is submitted.

Return Value:

A Boolean value, returns true if the textarea element must be filled in before form submission, otherwise returns false.

Set the textarea element to be required before form submission:

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

Other Extensions