/usr/lib/ghc-doc/hoogle/libghc-language-javascript-doc.txt is in libghc-language-javascript-doc 0.5.14.2-3build1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-language-javascript-doc/html/language-javascript.txt