WebIDLを見てみる21. [Constructor(USVString url, optional USVString base), Exposed=(Window,Worker)] interface URL { static USVString domainToASCII(USVString domain); static USVString domainToUnicode(USVString domain); stringifier attribute USVString href; readonly attribute USVString origin; attribute USVString protocol; … attribute USVString search; readonly attribute URLSearchParams searchParams; attribute USVSt
