Firebase grecaptcha is undefined with react

问题

I copied the code from this bit here in the documentation:

window.recaptchaVerifier.render().then(function(widgetId) {
  grecaptcha.reset(widgetId);
}

However in my react project grecaptcha is undefined. I don't see where they declare it as a variable or where to get it from in firebase.

回答1:

Not sure why but this worked for me just fine:

window.recaptchaVerifier.render().then(widgetId => {
  window.recaptchaVerifier.reset(widgetId);
});

Instead of doing grecaptcha, I just did the window.recaptchaVerifier and it worked like a charm.

来源：https://stackoverflow.com/questions/48789732/firebase-grecaptcha-is-undefined-with-react