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HTML onblur Event Attribute

HTML Event Attributes HTML Event Attributes

Example

Validate an input field when the user leaves it:

<input type="text" name="fname" id="fname" onblur="myFunction()">

Try it yourself »

More "Try it Yourself" examples below.


Definition and Usage

The onblur attribute fires the moment that the element loses focus.

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

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


Browser Support

Event Attribute
onblur Yes Yes Yes Yes Yes


Differences Between HTML 4.01 and HTML5

None.


Syntax

<element onblur="script">

Attribute Values

Value Description
script The script to be run on onblur

Technical Details

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


Examples

More Examples

Example

Using "onblur" together with the "onfocus" attribute:

<input type="text" onfocus="focusFunction()" onblur="blurFunction()">

Try it yourself »


Related Pages

HTML DOM reference: onblur event


HTML Event Attributes HTML Event Attributes

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