ElementInternals: validationMessage property
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.
this.internals_.setValidity({ valueMissing: true }, "my message");
console.log(this.internals_.validationMessage); // "my message"
Specifications
| Specification |
|---|
| HTML Standard # dom-elementinternals-validationmessage |
Browser compatibility
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