JavaScript: A Beginner's Guide, Fifth Edition, 5th Edition

Chapter 15

JavaScript Forms and Data

Key Skills & Concepts

•   Accessing Forms

•   Using the Properties and Methods of the Form Object

•   Ensuring the Accessibility of Forms

•   Validating Forms

•   HTML5 and Forms

•   AJAX and JSON

When you use JavaScript to access forms, you can create new scripts for your Web pages. This chapter begins by explaining how to access a form with JavaScript. Then you’ll learn about the various properties and methods to use with forms and form elements. You’ll also learn about forms and accessibility, how to validate form elements, and how to use <select></select> elements as navigational tools.

Accessing Forms

Each time you add a set of <form> and </form> tags to an HTML document, a form object is created. To ...