//Mass rollback function //Written by John254 //Adapted from User:Mr.Z-man/rollbackSummary.js //Instructions: Selecting the "rollback all" tab when viewing a user's contributions history //will open all rollback links displayed there. (Use with caution)  function rollbackEverythingButton() {   var hasRollback = getElementsByClassName(document, "span", "mw-rollback-link");   if (hasRollback[0] && (document.title.indexOf("User contributions") != -1) ) {     mw.util.addPortletLink('p-cactions', 'javascript:rollbackEverything()', "rollback all", "ca-rollbackeverything", "rollback all edits displayed here");   } } $(rollbackEverythingButton); function rollbackEverything() {     for (var i in document.links) {       if (document.links[i].href.indexOf('action=rollback') != -1) {         window.open(document.links[i].href);       }     } }