x.js

/* This is a template command. */
CmdUtils.CreateCommand({
  names: ["links-on-page"],
  icon: "http://www.netsi.dk/favicon.ico",
  description: "Shows the no of links on current page",
  help: "When you visit a page simple fire up <b>links-on-page</b> to see a count of links on current page.",
  author: {name: "Sten Hougaard", email: "netsi1964@gmail.com"},
  license: "GPL",
  homepage: "http://www.netsi.dk/ubiquity",
  preview: function preview(pblock, args) {
try {
    pblock.innerHTML = getInformation();
} catch(e) {
  pblock.innerHTML = e.message;
}
  },
  execute: function execute(args) {
    //displayMessage(getInformation(), this);
  }
});

var document = Application.activeWindow.activeTab.document;
var aLinks;
function getInformation() {
   var sResult = "";
   try {
     var aLinks = document.getElementsByTagName('a');
     sResult = "This page has " + aLinks.length.toString() + " links.<br />";
     sResult+='<ol>';
     for(var i=0; i<aLinks.length; i++) {
       sResult+='<li>'+aLinks[i].innerHTML+'</li>';
     }
     sResult+='</ol>';
   } catch(e) {
     sResult = "Error in getInformation()"+e.message;
   }
   return sResult;
}