addEventListener("focus", myFunction); - Javascript DOM Event

Javascript examples for DOM Event:addEventListener

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Introduction

The onfocus event occurs when an element gets focus.

Summary

Bubbles No
Cancelable No
Supported HTML tags: ALL HTML elements, EXCEPT: <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style>, and <title>

Demo Code

ResultView the demo in separate window 

<!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() {//from   ww  w  .  j a v a 2 s  .  c o m
    document.getElementById("fname").style.backgroundColor = "red";
}
</script>

</body>
</html>

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