HTML <optgroup> tagS2C Home   « HTML <optgroup> tag

Definition

The <optgroup> tag is used to define a group of related options.

Example


<select>
  <optgroup label="Standard Pie Shapes">
    <option value="round">round</option>
    <option value="square">square</option>
  </optgroup>
  <optgroup label="Custom Pie Shapes">
    <option value="heart">heart</option>
    <option value="star">star</option>
    <option value="triangle">triangle</option>
  </optgroup>
</select>

Required Attributes

label - specifies the viewable title of a group of options.


<optgroup label="labelName">Place options here</optgroup>

Optional Attributes

disabled - specifies the optgroup will be disabled until a certain condition occurs.


<!-- Valid values are an empty string or autofocus -->
<optgroup label="labelName" disabled>Place options here</optgroup>
<optgroup label="labelName" disabled="disabled">Place options here</optgroup>

Global Attributes

Common

accesskey - specifies a keyboard shortcut to an element.


<optgroup label="labelName" accesskey="a">Place options here</optgroup>

class - specifies a classname for the element allowing you to apply the style of the predefined class to the content.


<optgroup label="labelName" class="classname">Place options here</optgroup>

id - specifies a unique id for the element allowing you to apply the style of the predefined id to the content.


<optgroup label="labelName" id="idname">Place options here</optgroup>

style - specifies an inline style for the element allowing you to apply the style to the content.


<optgroup label="labelName" style="color:red;text-align:left">Place options here</optgroup>

title - specifies extra information about the content.


<optgroup label="labelName" title="information about the content">Place options here</optgroup>

Keyboard

accesskey - specifies a keyboard shortcut to associate with the element.


<optgroup accesskey="aKeyValue">Place options here</optgroup>

tabindex - specifies a tab order for the element.


<optgroup tabindex="someNumber">Place options here</optgroup>

Language

dir - specifies the directional flow of the content.


   <!-- The text will flow from left to right -->
<optgroup label="labelName" dir="ltr">Place options here</optgroup>

   <!-- The text will flow from right to left -->
<optgrouplabel="labelName"  dir="rtl">Place options here</optgroup>

lang - specifies a language code for the content of the element.


<optgroup label="labelName" lang="en">Place options here</optgroup>

spellcheck - specifies whether the element is to have its spelling checked.


<!-- Valid values are true and  false - default is inherited / browser specific. -->
<optgroup spellcheck="true">Place options here</optgroup>

translate - specifies whether the content of the element can be translated.


<!-- Valid values are yes and  no - default is yes. -->
<optgroup translate="no">Place options here</optgroup>

Miscellaneous

contenteditable - specifies whether the content of the element is editable.


<!-- Valid values are true and  false - default is inherited. -->
<optgroup contenteditable="false">Place options here</optgroup> 

draggable - specifies whether the the element is draggable.

Only text selections, images, and links can be dragged.


<!-- Valid values are true and  false - default is browser specific. -->
<optgroup draggable="true">Place options here</optgroup>

hidden - specifies whether the element is not yet, or no longer, relevant.


<!-- Valid values are an empty string or hidden -->
<optgroup hidden>Place options here</optgroup>
<optgroup hidden="hidden">Place options here</optgroup>

Event Attributes

Document

onabort - The JavaScript code to be run on abort.


<optgroup onabort="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onerror - The JavaScript code to be run when an error occurs when the file is being loaded.


<optgroup onerror="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onload - The JavaScript code to be run when the document is loaded.


<optgroup onload="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onresize - The JavaScript code to be run when the browser window is resized.


<optgroup onresize="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onscroll - The JavaScript code to be run when the scrollbar of an element is being scrolled.


<optgroup onscroll="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onunload - The JavaScript code to be run once a page has unloaded or the browser window has been closed.


<optgroup onunload="go()">Place options here</optgroup>   <!-- Executes the go() function -->

Document Element

oncopy - The JavaScript code to be run when the user copies the content of an element.


<optgroup oncopy="go()">Place options here</optgroup>   <!-- Executes the go() function -->

oncut - The JavaScript code to be run when the user cuts the content of an element.


<optgroup oncut="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onpaste - The JavaScript code to be run when the user pastes some content into an element.


<optgroup onpaste="go()">Place options here</optgroup>   <!-- Executes the go() function -->

Drag and Drop

ondrag - The JavaScript code to be run when an element is dragged.


<optgroup ondrag="go()">Place options here</optgroup>   <!-- Executes the go() function -->

ondragend - The JavaScript code to be run when an element has stopped being dragged.


<optgroup ondragend="go()">Place options here</optgroup>   <!-- Executes the go() function -->

ondragenter - The JavaScript code to be run when an element has been dragged to a valid drop target.


<optgroup ondragenter="go()">Place options here</optgroup>   <!-- Executes the go() function -->

ondragleave - The JavaScript code to be run when an element leaves a valid drop target.


<optgroup ondragleave="go()">Place options here</optgroup>   <!-- Executes the go() function -->

ondragover - The JavaScript code to be run when an element is being dragged over a valid drop target.


<optgroup ondragover="go()">Place options here</optgroup>   <!-- Executes the go() function -->

ondragstart - The JavaScript code to be run at the start of a drag operation.


<optgroup ondragstart="go()">Place options here</optgroup>   <!-- Executes the go() function -->

ondrop - The JavaScript code to be run when dragged element is being dropped.


<optgroup ondrop="go()">Place options here</optgroup>   <!-- Executes the go() function -->

Form

onblur - The JavaScript code to be run on abort.


<optgroup onblur="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onchange - The JavaScript code to be run when object changed and attempt to leave field.


<optgroup onchange="go()">Place options here</optgroup>   <!-- Executes the go() function -->

oncontextmenu - The JavaScript code to be run when a context menu is triggered.


<optgroup oncontextmenu="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onfocus - The JavaScript code to be run when the element gets focus.


<optgroup onfocus="go()">Place options here</optgroup>   <!-- Executes the go() function -->

oninput - The JavaScript code to be run when an element gets user input.


<optgroup oninput="go()">Place options here</optgroup>   <!-- Executes the go() function -->

oninvalid - The JavaScript code to be run when an element is invalid.


<optgroup oninvalid="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onreset - The JavaScript code to be run when the reset button of a form is clicked.


<optgroup onreset="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onselect - The JavaScript code to be run when some or all of the contents of an object are selected.


<optgroup onselect="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onsubmit - The JavaScript code to be run when a form is submitted.


<optgroup onsubmit="go()">Place options here</optgroup>   <!-- Executes the go() function -->

Keyboard

onkeydown - The JavaScript code to be run when an element is in focus and keyboard key is pressed.


<optgroup label="labelName" onkeydown="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onkeypress - The JavaScript code to be run when an element is in focus and keyboard key is pressed down and released.


<optgroup label="labelName" onkeypress="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onkeyup - The JavaScript code to be run when an element is in focus and keyboard key is released.


<optgroup label="labelName" onkeyup="go()">Place options here</optgroup>   <!-- Executes the go() function -->

Media

oncanplay - The JavaScript code to be run when a file has buffered enough so it is ready to start playing.


<optgroup oncanplay="go()">Place options here</optgroup>   <!-- Executes the go() function -->

oncanplaythrough - The JavaScript code to be run when a file can be played all the way to the end without further need of buffering.


<optgroup oncanplaythrough="go()">Place options here</optgroup>   <!-- Executes the go() function -->

oncuechange - The JavaScript code to be run when the cue changes when using the track element.


<optgroup oncuechange="go()">Place options here</optgroup>   <!-- Executes the go() function -->

ondurationchange - The JavaScript code to be run when the length of the media is changed.


<optgroup ondurationchange="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onemptied - The JavaScript code to be run when a media resource element suddenly becomes empty, usually due to an error.


<optgroup onemptied="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onended - The JavaScript code to be run when the media has reach the end.


<optgroup onended="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onloadeddata - The JavaScript code to be run when media data is loaded and playback can start.


<optgroup onloadeddata="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onloadedmetadata - The JavaScript code to be run when metadata has been loaded.


<optgroup onloadedmetadata="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onloadstart - The JavaScript code to be run when the media resource has started loading.


<optgroup onloadstart="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onpause - The JavaScript code to be run when the media resource has been paused.


<optgroup onpause="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onplay - The JavaScript code to be run when the media resource starts playback.


<optgroup onplay="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onplaying - The JavaScript code to be run when playback has already begun.


<optgroup onplaying="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onprogress - The JavaScript code to be run when the browser is fetching the media data.


<optgroup onprogress="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onratechange - The JavaScript code to be run when the playback rate changes.


<optgroup onratechange="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onseeked - The JavaScript code to be run when the seeking attribute is set to false indicating that seeking has finished.


<optgroup onseeked="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onseeking - The JavaScript code to be run hen the seeking attribute is set to true indicating that seeking is currently active.


<optgroup onseeking="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onstalled - The JavaScript code to be run when the browser is unable to continue fetching media data.


<optgroup onstalled="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onsuspend - The JavaScript code to be run when media data has stopped before being completely loaded.


<optgroup onsuspend="go()">Place options here</optgroup>   <!-- Executes the go() function -->

ontimeupdate - The JavaScript code to be run when the media resources current playback position has changed.


<optgroup ontimeupdate="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onvolumechange - The JavaScript code to be run when the volume has changed or been muted.


<optgroup onvolumechange="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onwaiting - The JavaScript code to be run when the media resource has paused but is expected to resume.


<optgroup onwaiting="go()">Place options here</optgroup>   <!-- Executes the go() function -->

Mouse

onclick - The JavaScript code to be run when a mouse is clicked on the element.


<optgroup label="labelName" onclick="go()">Place options here</optgroup>   <!-- Executes the go() function -->

ondblclick - The JavaScript code to be run when a mouse is double clicked on the element.


<optgroup label="labelName"ondblclick="go()"></optgroup>   <!-- Executes the go() function -->

onmousedown - The JavaScript code to be run when the mouse button is pressed down while the cursor is over the element.


<optgroup label="labelName" onmousedown="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onmousemove - The JavaScript code to be run when the mouse button is moved.


<optgroup label="labelName"onmousemove="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onmouseout - The JavaScript code to be run when the mouse cursor moves off an element.


<optgroup label="labelName" onmouseout="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onmouseover - The JavaScript code to be run when the mouse cursor moves over an element.


<optgroup label="labelName" onmouseover="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onmouseup - The JavaScript code to be run when the mouse button is released while the cursor is over the element.


<optgroup label="labelName"onmouseup="go()">Place options here</optgroup>   <!-- Executes the go() function -->

onwheel - The JavaScript code to be run when the mouse wheel rolls up or down over an element.


<optgroup label="labelName"onwheel="go()">Place options here</optgroup>   <!-- Executes the go() function -->

Window

NONE

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