Concept Notes (Deep Explanation + Examples) 🔹 Introduction In web development, event handling is one of the most important JavaScript concepts — both for ECET exams and real-world web...
Concept Notes (Deep Explanation + Examples) 🔹 What is Client-Side Validation? Client-side validation means checking user input before it is sent to the server, using JavaScript or similar technologies...
Concept Notes What is Form Validation?Form Validation means checking whether the user has entered valid data into a form before submitting it to the server. It helps prevent errors...