Doc notification on ChatWork app with Fluid

userscript.js

window.fluid.dockBadge = '';
setTimeout(updateDockBadge, 3000);
setInterval(updateDockBadge, 5000);

function updateDockBadge() {
  var newBadge = '';
  var totalCount = 0;
  var roomsRoot = document.getElementById('cw_roomlist_items');
  var ur_elms = roomsRoot.getElementsByClassName('cw_unread');

  for (i = 0; i < ur_elms.length; i++) {
    var elms = ur_elms[i].getElementsByClassName('cw_num_text');
    for (j = 0; j < elms.length; j++) {
      totalCount += parseInt(elms[j].innerHTML);
    }
  }

  var numUnreads = totalCount + "";
  if (numUnreads != '0') {
    newBadge = numUnreads;
    window.fluid.requestUserAttention(true);
  }

  window.fluid.dockBadge = newBadge;
}