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<!DOCTYPE html> <html> <body> <h1>HTML DOM Events</h1> <h2>The focusin Event</h2> <p>Use the addEventListener() method to attach a "focusin" event to an input element.</p> Enter your name: <input type="text" id="fname"> <script> document.getElementById("fname").addEventListener("focusin", myFunction); function myFunction() { document.getElementById("fname").style.backgroundColor = "red"; } </script> </body> </html>
