Method hasAttribute

website/worker-configuration.d.ts:1218–1218

(name: string)

    readonly namespaceURI: string;
    getAttribute(name: string): string | null;
    hasAttribute(name: string): boolean;
    setAttribute(name: string, value: string): Element;
    removeAttribute(name: string): Element;
    before(content: string | ReadableStream | Response, options?: ContentOptions): Element;