To validate form input with JavaScript, you need to write a function ... ("email")[0]; // Select the span element by its id var message = document.getElementById("message"); // Add an event ...

Back in the day (2002-2013), I created a successful suite of Web Controls for ASP.NET WebForms which featured a complete replacement to its built-in input validation. I really learned a lot about what ...

This project demonstrates how to implement complete form input validation for the fields: name, phone, email, and message. It ensures that users provide valid data by using HTML, CSS, and JavaScript ...

This blog post will particularly deal with the form validation of date and time. I am doing this with javascript ... If the anything is not entered or the input doesn't match the regular expression ...

In my previous two blogs, I separately explained about Password Validation using JavaScript and Password Validation using HTML5. In this blog, I will explain you all how to separate form and function, ...

Learn how to use JavaScript to check and manipulate HTML form elements, and how to provide feedback to the user based on the validation results. Sign in to view more content ...