User:GhostInTheMachine/SortWhatLinksHere.js

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This user script seems to have a documentation page at User:GhostInTheMachine/SortWhatLinksHere.

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function SortWhatLinksHere($el) {
  $el.append(
    $el.children().sort( (a,b) => a.innerHTML < b.innerHTML ? -1 : a.innerHTML > b.innerHTML ? 1 : 0 )
  );
  $.each($el.children(), (i,$sub) => SortWhatLinksHere($($sub).find('ul')));
}

$(function(){
  SortWhatLinksHere($('#mw-whatlinkshere-list'));
});