gistfile1.js

// ==UserScript==
// @name hatena bookmark shortcut user javascript
// @author hiru926
// @thanks to edvakf
// @version 0.1
// @include http://b.hatena.ne.jp/add*
// ==/UserScript==

(function(){
//  var style = '.gac_m{counter-reset:s;}.gac_c::before{color:#F88;content:"("counter(s)") ";counter-increment:s;}';
//  style += 'table.gac_m tr:nth-of-type(10) td.gac_c::before{color:#F88;content:"(0) ";}';
  var style = '.recommend-tags{counter-reset:s;}.tag::before{color:#F88;content:"("counter(s)") ";counter-increment:s;}';
//  style += 'dl.recommend-tags span:nth-of-type(10) span.tag::before{color:#F88;content:"(0) ";}';
  var e = document.createElement('style');
  e.type = 'text/css';
  e.innerHTML = style;
  document.getElementsByTagName('head')[0].appendChild(e);

  var inputs = document.getElementsByTagName('input');
  for (var i = 0; i < inputs.length; i++) {
    if (inputs[i].getAttribute('id') == 'comment') {
      var commentbox = inputs[i];
    }
  }

  document.addEventListener('keypress',function(event) {
    var recommends = document.getElementById('recommend-tags');
    if (recommends) { 
      if (48 <= event.keyCode && event.keyCode <= 58) {
        if (event.ctrlKey) {
          event.preventDefault();
          var j = event.keyCode - 49;
          if (j < 0) {
            j = 9;
          }
          //alert('hoge');
          commentbox.value += '[' + recommends.getElementsByClassName('tag')[j].innerHTML + ']';
        }
      }
    }
  },false);
}());

gistfile2.txt