Placeholder in contenteditable - focus event issue

Question

I have been trying to ask this before, without any luck of explaining/proving a working example where the bug happens. So here is another try:

I’m trying to replicat

Answer 1

All you need is this little solution

[contenteditable=true]:empty:before{
  content: attr(placeholder);
  display: block; /* For Firefox */
}

Demo: http://codepen.io/flesler/pen/AEIFc