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onblur Event

Event Object Reference Event Object

Example

Execute a JavaScript when a user leaves an input field:

<input type="text" onblur="myFunction()">

Try it yourself »

Definition and Usage

The onblur event occurs when an object loses focus.

Onblur is most often used with form validation code (e.g. when the user leaves a form field).

Tip: The onblur event is the opposite of the onfocus event.

Syntax

In HTML:

<element onblur="SomeJavaScriptCode">

In JavaScript:

object.onblur=function(){SomeJavaScriptCode};

Parameter Description
SomeJavaScriptCode Required. Specifies a JavaScript to be executed when the event occurs


Browser Support

Internet Explorer Firefox Opera Google Chrome Safari

The onblur event is supported in all major browsers.


onblur In HTML

The onblur attribute can be used within ALL HTML elements, EXCEPT: <base>, <bdo>, <br>, <head>, <html>, <iframe>, <meta>, <param>, <script>, <style>, and <title>.


Event Object Reference Event Object

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