ElementInternals: validationMessage property
Baseline 2023
Newly available
Since March 2023, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
The validationMessage
read-only property of the ElementInternals
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 with ElementInternals.setValidity()
, and then returned with validationMessage
.
js
this.internals_.setValidity({ valueMissing: true }, "my message");
console.log(this.internals_.validationMessage); // "my message"
Specifications
Specification |
---|
HTML Standard # dom-elementinternals-validationmessage |
Browser compatibility
BCD tables only load in the browser