How to Reload ReCaptcha using JavaScript?

Question

I have a signup form with AJAX so that I want to refresh Recaptcha image anytime an error is occured (i.e. username already in use).

I am looking for a code compatib

Answer 1

grecaptcha.reset(opt_widget_id)

Resets the reCAPTCHA widget. An optional widget id can be passed, otherwise the function resets the first widget created. (from Google's web page)