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. Forms are an essential ...

In this example, we will compare the built-in, multipart form handling capabilities of the standard Jakarta Servlet API with the facilities provided through the Apache Commons FileUpload library.

In this example that server-side resource is named upload.php; When notified that the JavaScript file upload was successful, send an Ajax based alert to the client. All the HTML and JavaScript logic ...