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This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The validity read-only property of the HTMLSelectElement interface returns a ValidityState object that represents the validity states this element is in.
A ValidityState object.
The following example gets the validity state of a select element and processes it if it is not valid:
| HTML # the-constraint-validation-api:dom-cva-validity |
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This page was last modified on Apr 10, 2025 by MDN contributors.
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