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.

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.

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 ...

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.

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 ...

To format HTML code using the Code Blocks extension, open your Google Docs document, paste the HTML code into the designated area in the Code Blocks panel accessed via the “Extensions” menu.