extjs - change the backcolor of a node in tree panel -

here working on use case searching node in tree , want mark search result color.

i able search node in tree using findchild api , returns me searched node tree , not able mark node color , identification purpose.

i tried following

searchresult.cls = 'bg_treenodecolor'; 

and css

.bg_treenodecolor {     background-color:#ff0000 !important; } 

anybody has idea on ?

you can try :

searchresult.set('cls', 'bg_treenodecolor'); 

good luck.