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.

Magecart-style attack on OpenCart sites uses hidden scripts to inject fake checkout forms, steal card data, and delay fraudulent transactions by several months.

MacFixIt reader Elaine is one user who has switched to this method in reaction to the Firefox 1.5 flaw. She writes: "I too have experienced the unresponsive keyboard as described today.