ElementInternals: validationMessage property - Web APIs | MDN (original) (raw)

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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

Browser compatibility