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<h1>HTML 4.0 Event Attributes</h1>
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<p>New to HTML 4.0 is the ability to let HTML events trigger actions in the
browser, like starting a JavaScript when a user clicks on an HTML element. Below
is a list of attributes that can be inserted into HTML tags to define event
actions.</p>
<p>If you want to learn more about programming with these events, you should
study our <a href="../js/default.asp">JavaScript tutorial</a> and our <a href="../dhtml/default.asp">DHTML
tutorial</a>.</p>
<hr />
<h2>Window Events</h2>
<p>Only valid in body and frameset elements.</p>
<table class="ex" cellspacing="0" border="1" width="100%">
<tr>
<th align="left" width="25%" valign="top">Attribute</th>
<th align="left" width="15%" valign="top">Value</th>
<th align="left" width="60%" valign="top">Description</th>
</tr>
<tr>
<td valign="top">onload</td>
<td valign="top"><i>script</i></td>
<td valign="top">Script to be run when a document loads
</td>
</tr>
<tr>
<td valign="top">onunload</td>
<td valign="top"><i>script</i></td>
<td valign="top">Script to be run when a document unloads
</td>
</tr>
</table>
<br />
<hr />
<h2>Form Element Events</h2>
<p>Only valid in form elements.</p>
<table class="ex" cellspacing="0" border="1" width="100%">
<tr>
<th align="left" width="25%" valign="top">Attribute</th>
<th align="left" width="15%" valign="top">Value</th>
<th align="left" width="60%" valign="top">Description</th>
</tr>
<tr>
<td valign="top">onchange</td>
<td valign="top"><i>script</i></td>
<td valign="top">Script to be run when the element changes
</td>
</tr>
<tr>
<td valign="top">onsubmit</td>
<td valign="top"><i>script</i></td>
<td valign="top">Script to be run when the form is submitted
</td>
</tr>
<tr>
<td valign="top">onreset</td>
<td valign="top"><i>script</i></td>
<td valign="top">Script to be run when the form is reset
</td>
</tr>
<tr>
<td valign="top">onselect</td>
<td valign="top"><i>script </i></td>
<td valign="top">Script to be run when the element is selected
</td>
</tr>
<tr>
<td valign="top">onblur</td>
<td valign="top"><i>script </i></td>
<td valign="top">Script to be run when the element loses focus
</td>
</tr>
<tr>
<td valign="top">onfocus</td>
<td valign="top"><i>script </i></td>
<td valign="top">Script to be run when the element gets focus</td>
</tr>
</table>
<br />
<hr />
<h2>Keyboard Events</h2>
<p>Not valid in base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, and title elements.</p>
<table class="ex" cellspacing="0" border="1" width="100%">
<tr>
<th align="left" width="25%" valign="top">Attribute</th>
<th align="left" width="15%" valign="top">Value</th>
<th align="left" width="60%" valign="top">Description</th>
</tr>
<tr>
<td valign="top">onkeydown</td>
<td valign="top"><i>script</i> </td>
<td valign="top">What to do when key is pressed</td>
</tr>
<tr>
<td valign="top">onkeypress</td>
<td valign="top"><i>script</i> </td>
<td valign="top">What to do when key is pressed and released</td>
</tr>
<tr>
<td valign="top">onkeyup</td>
<td valign="top"><i>script</i> </td>
<td valign="top">What to do when key is released</td>
</tr>
</table>
<br />
<hr />
<h2>Mouse Events</h2>
<p>Not valid in base, bdo, br, frame, frameset, head, html, iframe, meta, param, script, style, title elements.</p>
<table class="ex" cellspacing="0" border="1" width="100%">
<tr>
<th align="left" width="25%" valign="top">Attribute</th>
<th align="left" width="15%" valign="top">Value</th>
<th align="left" width="60%" valign="top">Description</th>
</tr>
<tr>
<td valign="top">onclick</td>
<td valign="top"><i>script</i> </td>
<td valign="top">What to do on a mouse click
</td>
</tr>
<tr>
<td valign="top">ondblclick</td>
<td valign="top"><i>script</i> </td>
<td valign="top">What to do on a mouse double-click
</td>
</tr>
<tr>
<td valign="top">onmousedown</td>
<td valign="top"><i>script</i> </td>
<td valign="top">What to do when mouse button is pressed
</td>
</tr>
<tr>
<td valign="top">onmousemove</td>
<td valign="top"><i>script</i> </td>
<td valign="top">What to do when mouse pointer moves
</td>
</tr>
<tr>
<td valign="top">onmouseout</td>
<td valign="top"><i>script</i></td>
<td valign="top">What to do when mouse pointer moves out of an element
</td>
</tr>
<tr>
<td valign="top">onmouseover</td>
<td valign="top"><i>script</i></td>
<td valign="top">What to do when mouse pointer moves over an
element
</td>
</tr>
<tr>
<td valign="top">onmouseup</td>
<td valign="top"><i>script</i> </td>
<td valign="top">What to do when mouse button is released
</td>
</tr>
</table>
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