HTML CSS Reference/HTML Tag Reference/optgroup
Содержание
"optgroup" Event Handlers
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+----------------+--------------------------------------------------------------+ | Event |onBlur onChange | | Handlers |onClick onDblClick | | |onFocus onKeyDown | | |onKeyPress onKeyUp | | |onMouseDown onMouseMove | | |onMouseOut onMouseOver | | |onMouseUp | +----------------+--------------------------------------------------------------+
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"optgroup" Example
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<html> <head> <title>option element example</title> </head> <body>
<form name="form1" method="post" action="youractionscript.asp">
<select name="select1"> <optgroup label="First Group"> <option>First item in first group</option> <option>Second item in first group </option> <option>Third item in first group </option> </optgroup> <optgroup label="Second Group"> <option>First item in second group </option> <option>Second item in second group </option> <option>Third item in second group </option> </optgroup> <optgroup label="Group 3"> <option>First item in Group 3</option> <option>Second item in Group 3</option> <option>Third item in Group 3</option> </optgroup> </select>
</form>
</body> </html>
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"optgroup" HTML Attributes
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+----------------+--------------------------------------------------------------+ | HTML |disabled label | +----------------+--------------------------------------------------------------+
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"optgroup" JavaScript Collections
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+----------------+--------------------------------------------------------------+ | JavaScript |attributes childNodes | +----------------+--------------------------------------------------------------+
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"optgroup" JavaScript Methods
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+----------------+--------------------------------------------------------------+ | JavaScript |appendChild cloneNode | | Methods |getAttribute getAttributeNode | | |getElementsByTagName hasChildNodes | | |insertBefore normalize | | |removeAttribute removeAttributeNode | | |removeChild replaceChild | | |setAttribute setAttributeNode | +----------------+--------------------------------------------------------------+
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"optgroup" JavaScript Properties
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+----------------+--------------------------------------------------------------+ | JavaScript |className clientHeight | | Properties |clientWidth dir | | |firstChild id | | |innerHTML label | | |lang lastChild | | |nextSibling nodeName | | |nodeType nodeValue | | |offsetHeight offsetLeft | | |offsetParent offsetTop | | |offsetWidth ownerDocument | | |parentNode previousSibling | | |scrollHeight scrollLeft | | |scrollTop scrollWidth | | |tagName title | +----------------+--------------------------------------------------------------+
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"optgroup" Syntax and Note
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Note: This element creates multiple options within a <select> element list. The option groups cannot be nested within other option groups.
Syntax:
<optgroup attributes events> . . . </optgroup>
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