onreset attribute is used only within the context
of forms, and is applied directly to the
form element. When the user activates the
form’s Reset button (if indeed it has one), the
event is captured by this attribute, and can be used for whatever purpose
the developer chooses.
Note that this attribute is used less commonly these days. Reset buttons on forms themselves have become increasingly rare, since they make it all too easy to accidentally wipe out all the details the user has spent time entering.
form must have a Reset button, a
good use of the
onreset attribute would be to check
whether the user really wanted to clear the form
<form name="frmPersonalDetails" action="/personal.php" onsubmit="checkPersonalDetails();" onreset="checkIfReallyWantToReset();"> ⋮ </form>
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.
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