HTMLObjectElement: validationMessage property

{{APIRef("HTML DOM")}}

The validationMessage read-only property of the {{domxref("HTMLObjectElement")}} interface returns a string representing a localized message that describes the validation constraints that the control does not satisfy (if any). This is the empty string if the control is not a candidate for constraint validation (willValidate is false), or it satisfies its constraints.

Value

A string.

Specifications

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Browser compatibility

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