Note that this event attribute cannot be applied to the following elements:
In the example below, the
that runs some kind of availability check, such as one to ensure that as
each letter is typed, the user is provided with feedback.
<input type="text" onkeypress="checkAvailability();" name="domain_name" id="domain_name"/>
This attribute has no fixed value.
It’s up to the author to decide on the scripting that’s included here, be
that a call to one or more defined functions, or a simple
Every browser listed supports this attribute. However, inline event handlers such as this should be avoided. In the same way that inline CSS styles are frowned upon but externally defined CSS styles are considered good practice, inline event handlers should be stripped out and replaced with events attached unobtrusively through the DOM.