HTML <col /> tagS2C Home   « HTML <col /> tag

Definition

The <col> tag is a self closing tag used to define criteria for a table column.

Example


<table>
  <colgroup>
    <col span="2" style="background-color:purple">
    <col style="background-color:blue">
  </colgroup>
  <tr>
    <th>Fruit</th>
    <th>Colour</th>
    <th>Quantity</th>
  </tr>
  <tr>
    <td>Banana</td>
    <td>Yellow</td>
    <td>5</td>
  </tr>
  <tr>
    <td>Pea</td>
    <td>Green</td>
    <td>50</td>
  </tr>
</table>
Fruit Colour Quantity
Banana Yellow 5
Pea Green 50

Required Attributes

NONE

Optional Attributes

span specifies the number of columns in a group.


<col span="4">

Global Attributes

Common

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


<col class="classname">

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


<col id="idname">

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


<col style="color:red;text-align:left">

title - specifies extra information about the content.


<col title="information about the content">

Keyboard

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


<col accesskey="aKeyValue">

tabindex - specifies a tab order for the element.


<col tabindex="someNumber">

Language

dir - specifies the directional flow of the content.


<col dir="ltr">   <!-- The text will flow from left to right -->
<col dir="rtl">   <!-- The text will flow from right to left -->

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


<col lang="en">

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


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

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


<!-- Valid values are yes and  no - default is yes. -->
< col translate="no">

Miscellaneous

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


<!-- Valid values are true and  false - default is inherited. -->
<col contenteditable="false">

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. -->
<col draggable="true">

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


<!-- Valid values are an empty string or hidden -->
<col hidden> 
<col hidden="hidden">

Event Attributes

Document

onabort - The JavaScript code to be run on abort.


<col onabort="go()">   <!-- Executes the go() function -->

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


<col onerror="go()">   <!-- Executes the go() function -->

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


<col onload="go()">   <!-- Executes the go() function -->

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


<col onresize="go()">   <!-- Executes the go() function -->

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


<col onscroll="go()">   <!-- Executes the go() function -->

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


<col onunload="go()">   <!-- Executes the go() function -->

Document Element

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


<col oncopy="go()">   <!-- Executes the go() function -->

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


<col oncut="go()">   <!-- Executes the go() function -->

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


<col onpaste="go()">   <!-- Executes the go() function -->

Drag and Drop

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


<col ondrag="go()">   <!-- Executes the go() function -->

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


<col ondragend="go()">   <!-- Executes the go() function -->

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


<col ondragenter="go()">   <!-- Executes the go() function -->

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


<col ondragleave="go()">   <!-- Executes the go() function -->

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


<col ondragover="go()">   <!-- Executes the go() function -->

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


<col ondragstart="go()">   <!-- Executes the go() function -->

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


<col ondrop="go()">   <!-- Executes the go() function -->

Form

onblur - The JavaScript code to be run on abort.


<col onblur="go()">   <!-- Executes the go() function -->

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


<col onchange="go()">   <!-- Executes the go() function -->

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


<col oncontextmenu="go()">   <!-- Executes the go() function -->

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


<col onfocus="go()">   <!-- Executes the go() function -->

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


<col oninput="go()">   <!-- Executes the go() function -->

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


<col oninvalid="go()">   <!-- Executes the go() function -->

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


<col onreset="go()">   <!-- Executes the go() function -->

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


<col onselect="go()">   <!-- Executes the go() function -->

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


<col onsubmit="go()">   <!-- Executes the go() function -->

Keyboard

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


<col onkeydown="go()">   <!-- 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.


<col onkeypress="go()">   <!-- Executes the go() function -->

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


<col onkeyup="go()">   <!-- 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.


<col oncanplay="go()">   <!-- 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.


<col oncanplaythrough="go()">   <!-- Executes the go() function -->

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


<col oncuechange="go()">   <!-- Executes the go() function -->

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


<col ondurationchange="go()">   <!-- Executes the go() function -->

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


<col onemptied="go()">   <!-- Executes the go() function -->

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


<col onended="go()">   <!-- Executes the go() function -->

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


<col onloadeddata="go()">   <!-- Executes the go() function -->

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


<col onloadedmetadata="go()">   <!-- Executes the go() function -->

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


<col onloadstart="go()">   <!-- Executes the go() function -->

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


<col onpause="go()">   <!-- Executes the go() function -->

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


<col onplay="go()">   <!-- Executes the go() function -->

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


<col onplaying="go()">   <!-- Executes the go() function -->

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


<col onprogress="go()">   <!-- Executes the go() function -->

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


<col onratechange="go()">   <!-- Executes the go() function -->

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


<col onseeked="go()">   <!-- 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.


<col onseeking="go()">   <!-- Executes the go() function -->

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


<col onstalled="go()">   <!-- Executes the go() function -->

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


<col onsuspend="go()">   <!-- Executes the go() function -->

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


<col ontimeupdate="go()">   <!-- Executes the go() function -->

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


<col onvolumechange="go()">   <!-- Executes the go() function -->

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


<col onwaiting="go()">   <!-- Executes the go() function -->

Mouse

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


<col onclick="go()">   <!-- Executes the go() function --> 

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


<col ondblclick="go()">   <!-- 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.


<col onmousedown="go()">   <!-- Executes the go() function -->

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


<col onmousemove="go()">   <!-- Executes the go() function -->

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


<col onmouseout="go()">   <!-- Executes the go() function -->

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


<col onmouseover="go()">   <!-- Executes the go() function -->

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


<col onmouseup="go()">   <!-- Executes the go() function -->

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


<col onwheel="go()">   <!-- Executes the go() function -->

Window

NONE

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