[jQuery] incomplete data receive with POST method

[rocky]

i m posting some data on url page but it displays incomplete.following
is the code snippet,what thing i m doing wrong plz notify me so that i
correct,thanks


test.js

var list="vc++";

$.ajax({
        type: "POST",
        url: "test.php",
        dataType: "json",
        data: "book="+list,
        timeout: 5000,
        success: successA,
        error: errorA
});

function successA(data){
//code
}

function errorA(data){
 //code
}


test.php

echo $_POST['book'];
//it displays only vc not vc++ (using POST method)