Reference targetThe referenceTarget property of a ShadowRoot object forwards attributes such as for and aria-labelledby to elements inside a shadow DOM. You can use this to, for example, link a <label> to its <input> even if the <input> is in the shadow DOM of a web component.web-componentsWeb componentslimitedhttps://github.com/whatwg/dom/pull/1353https://github.com/whatwg/html/pull/10995https://developer.mozilla.org/docs/Web/API/ShadowRoot#shadowroot.referencetargetapi.Element.attachShadow.options_referenceTarget_parameterapi.HTMLTemplateElement.shadowRootReferenceTargetapi.ShadowRoot.referenceTargethtml.elements.template.shadowrootreferencetargethttps://nowyoucanuse.com/features--referencetarget.html