jquery getJSON function timing issue

Question

I think my program is skipping result of JSON call. Is it possible to make a closure function here or make the program wait for JSON call to return?

function         


        

Answer 1

Drew's answer is nearly perfect, just missing one bracket and comma for IE.

function username_not_duplicate(username) {
   var function_name = "get_username"; 
   var parameters = [username]; 
   var url = "camps/includes/get_functions.php?function_name=" + function_name + "¶meters=" + parameters;
   var rslt = false; 
   $.ajax({ 
         async: false, 
         url: url, 
         dataType: "json", 
         success: function(data) {
           if (data == true) {                   
             rslt = true; 
           }
        }, 
    });
    return rslt; 
}