MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */

// This will add an [edit intro] link at the top of all pages except preview pages and the main page
// by User:Pile0nades on Wikipedia

if ( $wgUser->isLoggedIn() ) {
  addOnloadHook(function () {
    // if this is preview page or generated page, stop
    if(
      document.getElementById("wikiPreview") ||
      document.getElementById("histlegend‎") ||
      document.getElementById("difference‎") ||
      document.getElementById("watchdetails") ||
      document.getElementById("ca-viewsource") ||
      window.location.href.indexOf("/wiki/Special:") != -1
    ) {
      if(window.location.href.indexOf("&action=edit&section=0") != -1) {
        document.getElementById("wpSummary").value = "/* Intro */ ";
      }
      return;
    };
 
    // get the page title
    var pageTitle = wgPageName;
 
    // create div and set innerHTML to link
    var divContainer = document.createElement("div");
    divContainer.innerHTML = '<div class="editsection">[<a href="/w/index.php?title='+pageTitle+'&action=edit&section=0" title="Edit section: '+pageTitle+'">edit intro</a>]</div>';
 
    // insert divContainer into the DOM below the h1
    if(window.location.href.indexOf("&action=edit") == -1) {
      document.getElementById("content").insertBefore(divContainer, document.getElementsByTagName("h1")[0]);
    }
  });
}