HTML and CSS Reference
In-Depth Information
Notes
• There should be only one caption per table.
• HTML 3.2 defines only the align attribute with values of bottom and top . No
other attributes are defined prior to HTML 4.
<center> (Center Alignment)
This element causes the enclosed content to be centered within the margins currently in
effect. Margins are either the default page margins or those imposed by overriding elements
such as tables. The element is considered deprecated or obsolete, and CSS properties such as
text-align and margin should be used instead.
Standard Syntax (Transitional Only)
<center
class="class name(s)"
dir="ltr | rtl"
id="unique alphanumeric identifier"
lang="language code"
style="style information"
title="advisory text">
</center>
Attributes Defined by Internet Explorer
accesskey="key" (5.5)
contenteditable="false | true | inherit" (5.5)
disabled="false | true" (5.5)
hidefocus="true | false" (5.5)
language="javascript | jscript | vbs | vbscript" (4)
tabindex="number" (5.5)
unselectable="on | off" (5.5)
HTML 4 Event Attributes
onclick, ondblclick, onkeydown, onkeypress, onkeyup, onmousedown,
onmousemove, onmouseout, onmouseover, onmouseup
Events Defined by Internet Explorer
onactivate, onbeforeactivate, onbeforecopy, onbeforecut, onbeforedeactivate,
onbeforeeditfocus, onbeforepaste, onblur, onclick, oncontextmenu,
oncontrolselect, oncopy, oncut, ondblclick, ondeactivate, ondrag,
ondragend, ondragenter, ondragleave, ondragover, ondragstart, ondrop,
onfocus, onfocusin, onfocusout, onhelp, onkeydown, onkeypress, onkeyup,
onlosecapture, onmousedown, onmouseenter, onmouseleave, onmousemove,
onmouseout, onmouseover, onmouseup, onmousewheel, onmove, onmoveend,
onmovestart, onpaste, onpropertychange, onreadystatechange, onresizeend,
onresizestart, onselectstart, ontimeerror
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