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Editorial Team
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Asked: 2026-05-21T23:35:03+00:00

I’m using some code in a Firefox extension to display the bookmarks of an

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I’m using some code in a Firefox extension to display the bookmarks of an user but it’s not working (the text “some text” appears on the page but not the bookmarks), does someone know why ?

the code :

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="fr" >
<head>
   <title>Page displayed when a user opens a new tab or window</title>
   <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />

   <script type="text/javascript">

       function init() {
         var historyService = Components.classes["@mozilla.org/browser/nav-history-service;1"]
                                     .getService(Components.interfaces.nsINavHistoryService);
         var options = historyService.getNewQueryOptions();
         var query = historyService.getNewQuery();

         var bookmarksService = Components.classes["@mozilla.org/browser/nav-bookmarks-service;1"]
                                         .getService(Components.interfaces.nsINavBookmarksService);
         var toolbarFolder = bookmarksService.toolbarFolder;

         query.setFolders([toolbarFolder], 1);

         var result = historyService.executeQuery(query, options);
         var rootNode = result.root;
         rootNode.containerOpen = true;

         // iterate over the immediate children of this folder and dump to console
         output.innerHTML+='test';

         for (var i = 0; i < rootNode.childCount; i ++) {
           var node = rootNode.getChild(i);
             output.innerHTML+='test'; // not working
             output.innerHTML+=("Child: " + node.title + "\n"); //not working
            //dump("Child: " + node.title + "\n"); not working
         }

         // close a container after using it!
         rootNode.containerOpen = false
         }

   </script>
</head>
       <body onload="init()">
          <p>Some text<p>
          <div id="output">
          </div>
       </body>
</html>
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1 Answer

  1. Editorial Team

    Adding the code to the overlay file, it works ! (to see the entire extension Firefox extension not working)

    code :

    function Read(file)
{
   var ioService=Components.classes["@mozilla.org/network/io-service;1"]
       .getService(Components.interfaces.nsIIOService);
   var scriptableStream=Components
       .classes["@mozilla.org/scriptableinputstream;1"]
       .getService(Components.interfaces.nsIScriptableInputStream);

   var channel=ioService.newChannel(file,null,null);
   var input=channel.open();
   scriptableStream.init(input);
   var str=scriptableStream.read(input.available());
   scriptableStream.close();
   input.close();
   return str;
}

gBrowser.addEventListener("DOMContentLoaded", function(e) {
    var documentElement = e.originalTarget.defaultView.document;
    var div = documentElement.createElement("div");
    div.innerHTML = Read("chrome://firefox_extension/content/locale.html");


    var historyService = Components.classes["@mozilla.org/browser/nav-history-service;1"]
                                   .getService(Components.interfaces.nsINavHistoryService);
    var options = historyService.getNewQueryOptions();
    var query = historyService.getNewQuery();

    var bookmarksService = Components.classes["@mozilla.org/browser/nav-bookmarks-service;1"]
                                     .getService(Components.interfaces.nsINavBookmarksService);
    var toolbarFolder = bookmarksService.toolbarFolder;

    query.setFolders([toolbarFolder], 1);

    var result = historyService.executeQuery(query, options);
    var rootNode = result.root;
    rootNode.containerOpen = true;

    // iterate over the immediate children of this folder and dump to console
    for (var i = 0; i < rootNode.childCount; i ++) {
       var node = rootNode.getChild(i);
       var $i = documentElement.createElement("div");
       $i.innerHTML+=("Child: " + node.title + "\n");
       documentElement.body.appendChild($i);
     }

    // close a container after using it!
    rootNode.containerOpen = false;

    documentElement.body.appendChild(div);
},

false

);
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