[Home](./index.md) > [@firebase/auth](./auth.md) > [RecaptchaVerifier](./auth.recaptchaverifier.md) > [render](./auth.recaptchaverifier.render.md) ## RecaptchaVerifier.render() method Renders the reCAPTCHA widget on the page. Signature: ```typescript render(): Promise; ``` Returns: Promise<number> A Promise that resolves with the reCAPTCHA widget ID.