jQuery find string then change class

jQuery find string then change class

I am trying to make this code that will find a certain text string and add a class to the certain <td>

code is below...and i'm trying to think of everything that i can do to make this work

 
tried it does not work :(


  1. $
( function () {
var foundin
= $ ( 'tr:contains ( "KandiMan666" ) ' ) ;
if
$

( "tr.post" ). addClass ( "classname" ). removeClass ( ".post" ) ;
else
$

( "tr.post" ). removeClass ( "classname" ) ;
}
) ;