Javascript DOM onfocus Event via HTML Tag onfocus function

Introduction

In JavaScript: 

object.onfocus = function(){
       myScript};

This example uses the HTML DOM to assign an "onfocus" event to an input element.

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<!DOCTYPE html>
<html>
<body>
Enter your name: <input type="text" id="fname">

<script>
document.getElementById("fname").onfocus = function() {myFunction()};

function myFunction() {/*w w w.j a va 2s .c  o  m*/
  document.getElementById("fname").style.backgroundColor = "red";
}
</script>

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












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



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