In this article, you will learn how to use JavaScript to validate HTML form input and provide feedback to the user. Top experts in this article Selected by the community from 19 contributions.

TypeScript is gaining popularity as a type-safe alternative to JavaScript. Here's how to incrementally transform your JavaScript codebase into strongly typed TypeScript.

Let’s begin by looking at an HTML form and some vanilla JavaScript to go with it, as shown in Listing 1. You can also see this example running in a live fiddle . Listing 1.

Learn how to use HTML, CSS, and JavaScript to create interactive web forms that can perform calculations based on user input. See some common HTML form calculation examples.

JavaScript is a powerful scripting language and a great choice to learn for creating online interactive elements. Discover how to use the JavaScript scripting language on your Mac, with our simple ...

Using a few HTML statements and a little JavaScript, you can build your own calculator that performs addition. This task is not as difficult as it seems because HTML creates calculator controls ...

HTML doesn't care when you define an element's attributes as long as you give them values somewhere. This means that you have the ability to create a text box element dynamically and set its ...

Hi there! I'm Sahand, a web developer with over a decade of experience. This course, "HTML CSS JavaScript Projects," was created to share my knowledge and experience with you. In this course, you'll ...