POST请求jQuery中的jsonp响应

I'm developing an HTML5 Application. In my application, there is one page for posting the user comments.There is a submit button. I'm getting the following set of values {BrandId,ForumId,Title,Description}, which needs to be appended with url string for POST Request. In my submit method,I have written code for ajax POST call as,I'm developing an HTML5 Application. In my appl