Note: After saving, you have to bypass your browser's cache to see the changes. Google Chrome, Firefox, Microsoft Edge and Safari: Hold down the ⇧ Shift key and click the Reload toolbar button. For details and instructions about other browsers, see Wikipedia:Bypass your cache.
// [[User:Lupin/popups.js]] - please include this line 

//document.write('<script type="text/javascript" src="' 
//             + 'http://en.wikipedia.org/w/index.php?title=User:Lupin/popups.js' 
//             + '&action=raw&ctype=text/javascript&dontcountme=s"></script>');

// This will add an [edit top] link at the top of all pages except preview pages
// by User:Pile0nades

//------------------------------------------------------------------------------

// Add an "edit top" link to pages as a pencil icon before the first paragraph
addOnloadHook(function () {
  // if this is preview page or generated page, stop
  if(document.getElementById("wikiPreview") || window.location.href.indexOf("/wiki/Special:") != -1) return;

  // get the page title
  var pageTitle = document.title.split(" - ")[0].replace(" ", "_"); 

  // create div and set innerHTML to link
  var divContainer = document.createElement("div");
  divContainer.innerHTML = '<div class="editsection" style="position: absolute;top:5.7em;left:0.2em"><a style ="text-decoration: none" href="/w/index.php?title='+pageTitle+'&action=edit&section=0" title="'+document.title.split(" - ")[0]+'">&#9998;</a></div>';

  // insert divContainer into the DOM before the h1
  if(window.location.href.indexOf("&action=edit") == -1)
    document.getElementById("content").insertBefore(divContainer, document.getElementsByTagName("h1")[0]);

  if(window.location.href.indexOf("&action=edit&section=0") != -1)
    document.getElementById("wpSummary").value = "/* Intro */ ";
});

//------------------------------------------------------------------------------

mw.loader.load('https://en.wikipedia.org/w/index.php?title=User:Interiot/Tool2/code.js&action=raw&ctype=text/javascript');