HTMLOutputElement: checkValidity() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨August 2016⁩.

The checkValidity() method of the HTMLOutputElement interface checks if the element is valid, but always returns true because <output> elements are never candidates for constraint validation.

Syntax

js
checkValidity()

Parameters

None.

Return value

A boolean value, true.

Examples

In the following example, calling checkValidity() returns true.

js
const element = document.getElementById("myOutput");
console.log(element.checkValidity());

Specifications

Specification
HTML
# dom-cva-checkvalidity-dev

Browser compatibility

See also