How can I effectively handle user input in my web application?

How can I effectively handle user input in my web application?

To handle user input effectively, you should validate, sanitize, and provide feedback on the input.

What are some common validation techniques I should use?

Common techniques include checking for required fields, format validation (like email), and length restrictions.

How can I sanitize user input to prevent security issues?

You can use libraries to escape special characters and remove any potentially harmful code from the input.

What feedback mechanisms can I implement for users?

Consider using real-time validation messages, tooltips, or modal dialogs to guide users on their input.