form validation

When creating a form that allows users to upload images, it is sometimes necessary to impose restrictions on the file size. For instance, let’s say we want to limit the image size to 3MB. In this blog post, we will explore how to implement this requirement in a React application using the onChange event. To begin, we have a form with a file input box like this: <input name='image' type='file' accept='image/*' To ensure that the uploaded image is smaller than 3MB, we can add an onChange event handler to the input element....

ReCaptcha is a powerful tool provided by Google to combat spam and abuse in online forms. By adding ReCaptcha to your Next.js form, you can ensure that only real users can submit the form, while blocking bots and automated spam. In this tutorial, we will guide you through the process of integrating ReCaptcha into your Next.js form. Getting Started with ReCaptcha Before you can add ReCaptcha to your Next.js form, you need to create an account on the Google ReCaptcha website (https://www....

When you add a file field to a form, it can be useful to limit the selection to only images. This not only enhances user experience by avoiding wasted time and resources in uploading non-image files, but also adds a client-side filtering capability to complement your server-side filtering. To achieve this, you can utilize the accept attribute of the <input type="file"> element, specifying the MIME type of the accepted files. By setting the value to image/*, you can allow all types of images....