Get table column by Jquery

Question

I need to make "bold" the second column of this html table:
http://jsfiddle.net/beKC4/4/

How can I do using JQuery?
I tried this but is not working:

$("h3.ms-standardheader").children("td").text("<b>"+this.text()+"</b>")

Answer 1

you can also use css

see here http://jsfiddle.net/beKC4/6/

table tr td:nth-child(3){
    font-weight:bold;
}