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onblur Event
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
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
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