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<!DOCTYPE html> <html> <body> <p>This example uses the addEventListener() method to attach a "focus" event to an input element.</p> Enter your name: <input type="text" id="fname"> <script> document.getElementById("fname").addEventListener("focus", myFunction); function myFunction() { document.getElementById("fname").style.backgroundColor = "red"; } </script> </body> <!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_onfocus_addeventlistener by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 08:29:44 GMT --> </html>
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