Validating an email format is one of the most common and important tasks in web forms. With JavaScript, you can easily check if the user entered a valid email before submitting the form. In this tutorial, you’ll learn how to validate email format with JavaScript step by step, using regular expressions (RegEx) in a simple … Read more
Multi-step forms divide long forms into smaller, manageable sections, improving user experience and increasing completion rates. Ideal for onboarding, surveys, or checkout processes. In this guide, you’ll learn how to build a multi-step form using pure HTML, CSS, and JavaScript, step by step. 👁️ Preview 🧱 Step 1: HTML Structure We’ll create three steps in … Read more
When allowing users to upload files to your site, it’s important to validate the file type and size before processing the upload — especially for security and performance reasons. In this tutorial, you’ll learn how to check the selected file’s format (extension) and size using simple HTML and JavaScript, step by step. 👁️ Preview 🧱 … Read more
Default radio buttons and checkboxes don’t always match your website’s design. In this tutorial, you’ll learn how to fully customize them using HTML, CSS and your own check icon or symbol. We’ll hide the native input and style the visual version however we like — all accessible and beginner-friendly. 👁️ Preview 🧱 Step 1: Create … Read more
Form validation is an essential part of any website that collects user input. In this tutorial, you’ll learn how to validate a contact form using vanilla JavaScript, without relying on third-party libraries. By the end, you’ll know how to: Let’s make your forms smarter and user-friendly! 👁️ Preview 🧱 Step 1: Create the Contact Form … Read more