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 part ...

TOS is short for Terms of Service. Here, the alert() in the submit event handler should only be called if the tos checkbox has been checked. 💡 You can use an early ...

Scan-To-Input is a lightweight JavaScript plugin that detects input from most plug-and-play USB and Bluetooth hardware barcode or QR code scanners — which emulate keyboard input — and intelligently ...

With Web page forms, you can capture data from your site users -- often a vital process in business websites. Some Web forms use hidden fields, in which case the HTML input elements are included ...