The article shows how event.preventDefault() empowers developers to stop a form’s default page reload and HTTP request, enabling AJAX-based submissions, custom validation, and uninterrupted, dynamic UI updates. With step-by-step guidance and examples (workout tracker, add-to-cart), it demonstrates creating smoother, more responsive web experiences and points to resources for deeper learning.
Learn how to supercharge UI styling with CSS pseudo-classes :hover, :focus, and :active: understand what each state does, see practical button and input examples, add ripple, animated focus ring, and press effects, and combine states for richer interactions—all to improve accessibility, feedback, and polish across your web apps.
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