Javascript DOM onkeydown Event via HTML Tag onkeydown attribute

Introduction

This example demonstrates how to assign an "onkeydown" event to an input element.

Press a key inside the text field to set a red background color.

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<!DOCTYPE html>
<html>
<body>
<input type="text" id="demo" onkeydown="myFunction()">

<script>
function myFunction() {/*from   ww  w .  j  a va 2s .com*/
  document.getElementById("demo").style.backgroundColor = "red";
}
</script>

</body>
</html>
Bubbles:
Cancelable:
Event type:
Supported HTML tags:












 Yes
Yes
KeyboardEvent
All HTML elements,
EXCEPT:
<base>,
<bdo>,
<br>,
<head>,
<html>,
<iframe>,
<meta>,
<param>,
<script>,
<style>, and
<title>



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