ElementInternals: validationMessage property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since March 2023.
ThevalidationMessage read-only property of theElementInternals interface returns the validation message for the element.
Value
A string containing the validation message of this element.
Examples
In the following example the validation message is set withElementInternals.setValidity(), and then returned withvalidationMessage.
js
this.internals_.setValidity({ valueMissing: true }, "my message");console.log(this.internals_.validationMessage); // "my message"Specifications
| Specification |
|---|
| HTML # dom-elementinternals-validationmessage |