Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more.

The HTML form passes key-value pairs to PayPal in a "variable=value" format; you are required to pass a specific action URL and some input fields.

Creating a Simple Form Follow the steps below to create and set up a simple event registration form. Building the Form Expand the Form section within the Sidekick. Find the Form Container component ...