Learn how to use JavaScript to check and manipulate HTML form elements, and how to provide feedback to the user based on the validation results.

Learn what are the most effective ways to validate user input using HTML, JavaScript, and PHP. Discover best practices and tips for web security and user experience.

For each of these methods, we will be trying to change the unsanitized input in order to make it safe. When the browser reads the html that contains the new sanitized input, the input will not be ...

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.

To support 3rd party input methods, the ChromeOS introduced a new extension API to the Chrome browser in JavaScript bindings. As a result, an IME implemented in pure JavaScript is needed. This project ...