User:DStoykov/purge.js

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$(function {    var hist; var url;    if (!(hist = document.getElementById('ca-history') )) return;    if (!(url = hist.getElementsByTagName('a')[0] )) return;    if (!(url = url.href )) return;    mw.util.addPortletLink('p-cactions', url.replace(/([?&]action=)history([&#]|$)/, '$1purge$2'), 'purge', 'ca-purge', 'Purge server cache for this page', 'p'); });

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