How handle JSON conversion in JavaScript? when string having Comma

when I try to Convert var to JSON using var json = JSON.parse(resp); function it’s give the error i.e. conversion Fail Because the string with comma (,) and syntax was not correct plz give me a solution how to convert it with comma (,) any other method to convert it because this data come from database.

*here the comment string with comma (,) “Nice Blog I like it…!, i love it…

{"comment":"It's Based on Java.... must Read My All Blogs...","fname":"abc"},
{"comment":" Nice Blog I like it...!, i love it... ","fname":"abc"}