The getName() method of the CustomElementRegistry interface returns the name for a previously-defined custom element.
getName(constructor)constructorConstructor for the custom element.
The name for the previously defined custom element, or null if there is no custom element defined with the constructor.
class MyParagraph extends HTMLElement {
constructor() {
const template = document.getElementById("custom-paragraph");
super() // returns element this scope
.attachShadow({ mode: "open" }) // sets AND returns this.shadowRoot
.append(document.importNode(template.content, true));
}
}
customElements.define("my-paragraph", MyParagraph);
// Return a reference to the my-paragraph constructor
customElements.getName(MyParagraph) === "my-paragraph";