How to Highlight the Searched String Result using JavaScript ?

I have tried implementing this searched text highlighting for a datagrid feild Using the JS code and I have imported the Library files aswell and changed the properties for the datagrid to wrap the text and break it anywhere  the only higlighiting class is not affecting for the text in the description which was searched by me from the textbox.   I will add the link which I refered for implementation   Thanks in Advance.
1 answers

Hello Attar. Did you find any solution yet?