HTML and CSS Reference
In-Depth Information
• HTML 2 and 3.2 do not define any attributes for this element.
• Modern markup specifications encourage developers to use a <strong> tag
instead of <b> .
<base> (Base URL)
This empty element found within the head element specifies the base URL stem to be used
for all relative URLs contained within a document.
Standard Syntax
target="frame or window name | _blank | _parent | _self |
_top" (transitional only)>
Attributes Introduced by HTML5
accesskey="spaced list of accelerator key(s)"
contenteditable="true | false | inherit"
contextmenu="id of menu"
data-X="user-defined data"
draggable="true | false | auto"
itemid="microdata id in URL format"
itemprop="microdata value"
itemref="space-separated list of IDs that may contain microdata"
itemtype="microdata type in URL format"
spellcheck="true | false"
Attributes Defined by Internet Explorer
id="unique alphanumeric identifier" (4)
HTML5 Event Attributes
onabort, onblur, oncanplay, oncanplaythrough, onchange, onclick,
oncontextmenu, ondblclick, ondrag, ondragend, ondragenter, ondragleave,
ondragover, ondragstart, ondrop, ondurationchange, onemptied, onended,
onerror, onfocus, onformchange, onforminput, oninput, oninvalid, onkeydown,
onkeypress, onkeyup, onload, onloadeddata, onloadedmetadata, onloadstart,
onmousedown, onmousemove, onmouseout, onmouseover, onmouseup, onmousewheel,
onpause, onplay, onplaying, onprogress, onratechange, onreadystatechange,
onscroll, onseeked, onseeking, onselect, onshow, onstalled, onsubmit,
onsuspend, ontimeupdate, onvolumechange, onwaiting
Events Defined by Internet Explorer
onlayoutcomplete, onmouseenter, onmouseleave, onreadystatechange
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