How do I create a JavaScript form?

Summary Use the <form> element to create an HTML form. Use DOM methods such as getElementById() and querySelector() to select a <form> element. The document. … Use form. elements to access form elements. The submit

What is form validation in JavaScript?

JavaScript provides a way to validate form’s data on the client’s computer before sending it to the web server. Form validation generally performs two functions. Basic Validation − First of all, the form must be