මාධ්‍යවිකි:Gadget-EnhancedUndelete.js

 // Enhanced Undelete Tool
 // Stolen from Wikibooks created & Maintained by [[b:User:Darklama]] and [[b:User:Mike.lifeguard]]
 //
 // Adds a "Select All" and "Invert Selection" button to Special:Undelete. 
 // Used for administrators only.
 
 function wikibooks_enhanced_undelete() {
   if (mw.config.get('wgPageName') != "Special:Undelete" )
     return;
   var fi = document.getElementsByTagName("input");
   for (i = 0; i < fi.length; i++)
   {
     if (!fi[i].hasAttribute("type"))
       continue;
     if (fi[i].getAttribute("type") == "reset") {
       var sa = document.createElement("input");
       sa.setAttribute("type", "button");
       sa.setAttribute("value", "Select All");
       fi[i].parentNode.insertBefore(sa, fi[i].nextSibling);
       sa.onclick = function() {
          for (var i=0;i<fi.length;i++) {
            if (fi[i].hasAttribute("type") && fi[i].getAttribute("type") == "checkbox") {
              fi[i].checked = true;
            }
          }
       };
       
       // add invert selection button
       var inv = document.createElement("input");
       inv.setAttribute("type", "button");
       inv.setAttribute("value", "Invert All");
       fi[i].parentNode.insertBefore(inv, fi[i].nextSibling);
       inv.onclick=function() {
           // if a deleted edit is checked, uncheck it, and vis-versa.
           for (var i=0;i<fi.length;i++) {
               if (fi[i].hasAttribute("type") && fi[i].getAttribute("type") == "checkbox") {
                 fi[i].checked = !fi[i].checked;
               }
           }
       }
     } else if (fi[i].getAttribute("type") == "checkbox") {
       fi[i].checked = true;
     }
   }
 }
 
 if (mw.config.get('wgPageName') == "Special:Undelete" )
   $(wikibooks_enhanced_undelete);