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CustomElementRegistry: getName() method - Web APIs | MDN
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CustomElementRegistry: getName() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The getName() method of the
CustomElementRegistry interface returns the name for a
previously-defined custom element.
Syntax
js
getName(constructor)
Parameters
constructor-
Constructor for the custom element.
Return value
The name for the previously defined custom element, or null if there is no custom element defined with the constructor.
Examples
js
class MyParagraph extends HTMLElement {
constructor() {
let templateContent = document.getElementById("custom-paragraph").content;
super() // returns element this scope
.attachShadow({ mode: "open" }) // sets AND returns this.shadowRoot
.append(templateContent.cloneNode(true));
}
}
customElements.define("my-paragraph", MyParagraph);
// Return a reference to the my-paragraph constructor
customElements.getName(MyParagraph) === "my-paragraph";
Specifications
| Specification |
|---|
| HTML # dom-customelementregistry-getname |
Browser compatibility
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