Method append

deps/undici/src/lib/web/fetch/headers.js:460–470

(name, value)

  // https://fetch.spec.whatwg.org/#dom-headers-append
  append (name, value) {
    webidl.brandCheck(this, Headers)

    webidl.argumentLengthCheck(arguments, 2, 'Headers.append')

    const prefix = 'Headers.append'
    name = webidl.converters.ByteString(name, prefix, 'name')
    value = webidl.converters.ByteString(value, prefix, 'value')

    return appendHeader(this, name, value)
  }

  // https://fetch.spec.whatwg.org/#dom-headers-delete
  delete (name) {