🏠 New in Low Baseline Support: Form-associated custom elements
March 27, 2023
Custom elements may act like built-in form elements, via the the attachInternals() method of HTMLElement and the ElementInternals API.
Source features
api.ElementInternals[mdn]api.HTMLElement.attachInternals[mdn]api.ElementInternals.checkValidity[mdn]api.ElementInternals.form[mdn]api.ElementInternals.labels[mdn]api.ElementInternals.reportValidity[mdn]api.ElementInternals.setFormValue[mdn]api.ElementInternals.setValidity[mdn]api.ElementInternals.validationMessage[mdn]api.ElementInternals.validity[mdn]api.ElementInternals.willValidate[mdn]