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(){
  $('#mw-whatlinkshere-list').append(
    $('#mw-whatlinkshere-list').children().sort(
      function(a, b){
        if(a.innerHTML < b.innerHTML) {return -1;}
        if(a.innerHTML > b.innerHTML) {return 1;}
        return 0;
      }
    )
  );
});