Google Recaptcha

HTML

<script src="https://www.google.com/recaptcha/api.js"></script>
<div class="container">
    <div id="recaptcha"></div>
</div>

JavaScript

function createRecaptcha() {
	grecaptcha.render("recaptcha", {sitekey: "6LcgSAMTAAAAACc2C7rc6HB9ZmEX4SyB0bbAJvTG", theme: "light", size: "normal"});
}
 createRecaptcha();