Загрузка капчи после клика в форму:
function loadScript(src) {
let script = document.createElement('script');
script.src = src;
script.async = true;
document.body.append(script);
}
$('body').on('click','form input, form textarea', function() {
if (typeof(grecaptcha) == 'undefined') {
loadScript("https://www.google.com/recaptcha/api.js?render=6Le3-ZUUACCCAA_Itz3KVhe0yzn5-JTUiuhgVkki\n&onload=onRecaptchaLoadCallback");
}
});
/*