HTML onblur Attribute
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.
Applies to
The onblur
attribute is part of the Event Attributes, and can be used on any HTML elements.
Elements | Event |
---|---|
All HTML elements | onblur |
Example
Validate an input field when the user leaves it:
<input type="text" name="fname" id="fname" onblur="myFunction()">
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Browser Support
Event Attribute | |||||
---|---|---|---|---|---|
onblur | Yes | Yes | Yes | Yes | Yes |