Posted in
5157
12:14 am, November 12, 2019
add google captcha to enable and disable a form button
This will check if the google checkbox is checked and then enable or disable the form button depending on the outcome.
This is just a basic version of this check, you should also check that the capture matches using server side code as well. As the button element could be enabled manually or bypassed by a script.
JS
function recaptchaCallback() {
document.getElementById("subscribeButton").disabled = false;
}
HTML
<p>
you will need to replace this with your own sitekey from here: https://www.google.com/recaptcha/
</p>
<div class="g-recaptcha" data-sitekey="6Lfrqf8SAAAAAOdvLdNXgl4_3_RV-gBRrsl4RmhV" data-callback="recaptchaCallback"> </div>
<p>
add this to your scripts
</p>
<script src="https://www.google.com/recaptcha/api.js"></script>
<p>
button should look like this
</p>
<input type="submit" value="subscribe" class="footer-email-button" id="subscribeButton" disabled="disabled">
Working Result
Now if you check the google capture it will enable the button
you will need to replace this with your own sitekey from here: https://www.google.com/recaptcha/
add this to your scripts
button should look like this
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