jQuery & CSS - Remove/Add display:none

Question

I have a div with this class :

.news{
  width:710px; 
  float:left;
  border-bottom:1px #000000 solid;
  font-weight:bold;
  display:none;
}

<

Answer 1

In JavaScript:

getElementById("id").style.display = null;

In jQuery:

$("#id").css("display","");