# [JavaScript (Node.js)], 62 bytes

<!-- language-all: lang-javascript -->

    //m0()m  ]
    //=](=a  )
    //>.a>p( )
    //mm,m/aa
    //[ap./=[
       p  =>p

[Try it online!][TIO-k0wbjd7e]

[JavaScript (Node.js)]: https://nodejs.org
[TIO-k0wbjd7e]: https://tio.run/##ZY29bsMwDIR3PgVHClCkxP1ZAupFBA1EYhsOzEhwjKBv77JNhha5gbiPOB4vcpfbaZnaurvWc78NvMWoe3KKWCBGLsSC6MymIKnRr1X1GkXMZWkhcgZEbIic2qbrF@d88J1/Kz6/@w//WcoRAEYGOzA9p3LSDPsSVBoQiW/gbBXA2B5bJQmnn2bJDYpz8NBdFlwPPJB9cscHdjw@EYa60NyvOGEdLOdO9Xqrcx/mOtJkgb9s@D/evcRN2zc "JavaScript (Node.js) – Try It Online"

Improved with a different layout 

    ///// 
    ///// 
    m=>m[ 
    0].map 
    ((a,p 
    )=>m. 
    map//= 
      (a=> 
       a[p 
    ]))