I've a form loaded with AJAX and this form has a reCaptcha.

When post the form I want to validate the captcha and if there is ok post the form to server.

But I can't... 

My code (based with other help)

1. $('#myForm').submit(function (e, passThrough) {  
2.     if (passThrough === undefined) {  
3.         e.preventDefault();
4. 
   
5.         var captchaInfo = {
6.             challengeValue: Recaptcha.get_challenge(),
7.             responseValue: Recaptcha.get_response(),
8.         };
9. 
   
10.         $.ajax({
11.             type: 'POST',
12.             url: captchaValidateUrl,
13.             data: JSON.stringify(captchaInfo),
14.             contentType: 'application/json; charset=utf-8',
15.             dataType: 'json',
16.             success: function (msg) {
17.                 if (msg) {
18.                     $('#myForm').trigger("submit", [true]); 
19.                 }
20.                 else {
21.                     helpers.setCaptcha("captcha");
22.                 }
23.             },
24.             error: function (req, status, error) {
25.                 alert("error: " + error);
26.                 helpers.setCaptcha("captcha");
27.             },
28.         });
29.     }
30. });

Can you have any idea?

Thanks in advance