Method prepend

website/worker-configuration.d.ts:1223–1223

(content: string | ReadableStream | Response, options?: ContentOptions)

    before(content: string | ReadableStream | Response, options?: ContentOptions): Element;
    after(content: string | ReadableStream | Response, options?: ContentOptions): Element;
    prepend(content: string | ReadableStream | Response, options?: ContentOptions): Element;
    append(content: string | ReadableStream | Response, options?: ContentOptions): Element;
    replace(content: string | ReadableStream | Response, options?: ContentOptions): Element;
    remove(): Element;