title: ReCAPTCHA couldn't find user-provided function: myCallBack
body: <p>I'm trying to use ReCAPTCHA where I am getting following error.</p>
  
  <blockquote>
    <p>ReCAPTCHA couldn't find user-provided function: myCallBack.</p>
  </blockquote>
  
  <p>How can I solve this issue?</p>
  
  <pre><code>var verifyCallback3 = function(response) {
      if(response!=null){
          $("#rss").show();
      }
  };
  
  var myCallBack = function() {
      grecaptcha.render('html_element', {
          'sitekey' : '6sssfffffffffAAPfEI_RkbAlUuw5FA4p-kiGy5Nea',
          'callback' : verifyCallback3,
          'theme' : 'light',
          'type':'image'
      });
  };
  </code></pre>