User:Microchip08/talkblinker.js

Note: After publishing, you may have to bypass your browser's cache to see the changes.

Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
Internet Explorer / Edge: Hold Ctrl while clicking Refresh, or press Ctrl-F5
Opera: Press Ctrl-F5.

function checkMsgs() {
  var divs = document.getElementById('bodyContent').getElementsByTagName('div');
  if(divs.length <= 2) return;
  for(var i=0;i<divs.length;i++) {
    if(divs[i].className == 'usermessage') {
      divs[i].style.display = 'none';
      var talk = document.getElementById('pt-mytalk').firstChild;
      talk.style.textDecoration='blink';
    }
  }
}
$(checkMsgs)
// adapted from http://www.wikia.com/wiki/User:Splarka/tricks