Untitled

<!DOCTYPE html>

<meta http-equiv="X-UA-Compatible" content="IE=edge">

<script src="https://www.google.com/recaptcha/api.js?onload=CaptchaCallback&render=explicit" async defer></script>

var CaptchaCallback = function() {

  $('.form-captcha').each(function(index, el) {
      grecaptcha.render(el, {'sitekey' : 'ключ'});
    });
};

$('.form-captcha').each(function(index, el) {
      grecaptcha.render(el, {'sitekey' : 'ключ'});
    });