First my code
$.getJSON(\"./posts/vote/\" + postId + \"/1\", null, function(result) { if (result.result == true) $(\"#pst\" + postId + \" > .pstside
Yes, $.ajaxSetup({ cache: false }); does solve the problem! My application is with MVC 2. The code is like below:
$.ajaxSetup({ cache: false });