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 setValidity(), and then returned with validationMessage.

this.internals_.setValidity({ valueMissing: true }, "my message");
console.log(this.internals_.validationMessage); // "my message"

Specifications

Browser compatibility