onclickevent handler captures a click event from
the users’ mouse button on the element to which the
onclickattribute is applied. This action usually
However, it can
also be used to run a script in situ:
onclick="alert('You are clicking on me');"
Note that this event attribute cannot be applied to the following elements:
Clicking anywhere on the
div below will call a function, defined elsewhere,
<div onclick="showStats();">Figures for February’s racing.</div>
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
However, the likely values will be similar to
could also specify a value like this:
may also use a value like this:
that you can string several functions together, separating them with a
semicolon, as shown in the second and third examples
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.
The Principles of Beautiful Web Design, 4th Edition
Docker for Web Developers
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