HTML and CSS Reference
In-Depth Information
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, onreadystatechange
<head><title> Big Company: Products: Super Widget </title></head>
HTML 2, 3.2, 4, 4.01, 5
XHTML 1.0, 1.1, Basic
Firefox 1+, Internet Explorer 2+,
Netscape 1+, Opera 2.1+, Safari 1+
• Often, the title is set as the first element found in the head , though it should come
after a character set indication if that is not taken care of by appropriate HTTP
• Meaningful names should provide information about the document. A poor title
would be something like “My Home Page,” whereas a better title would be “Joe
Smith Home.”
• Browsers can be extremely sensitive to the <title> tag. If the title element is
malformed or not closed, the page might not even render in the browser.
• The HTML 2.0 and 3.2 specifications define no attributes for the title element.
• Under most browsers, core HTML 4 attribute values like id and class will work
for DOM access and make some sense for manipulation via JavaScript, but other
attributes for events or style-related features do not.
• The title element may contain character entities to set accents or introduce other
special characters, though you should use caution to make sure the appropriate
character set has been defined. Markup may not be included in the title element.
• Currently, the HTML5 specification defines all the common attributes for the title
element, like accesskey , class , contextmenu , and so on. Their context, however,
seems inappropriate given how browsers work. For example, while it is possible to
imagine a tabbing order or context menu for a browser title, so far such things are
unclear and suggest an over generalization of the HTML5 specification when it
comes to global attributes.
<tr> (Table Row)
This block element specifies a row in a table. The individual cells of the row are defined by
the th and td elements.
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