colgroup
colgroup groups a set of col elements. It allows you to group several semantically related columns together.
COLGROUP Tag
colgroup groups a set of col elements. It allows you to group several semantically related columns together.
Attributes are:
Attribute | Description | Default Value | Values | Required |
---|---|---|---|---|
align | left,center,right,justify,char | no | ||
char | alignment char, e.g. char=':' | no | ||
charoff | offset for alignment char | no | ||
valign | top,middle,bottom,baseline | no | ||
span | one or more digits | 1 | no | |
width | pixel, percentage, or relative | no |
Example:
<colgroup
align=""
char=""
charoff=""
valign=""
span="1"
width=""
>
</colgroup>
Sub-elements
##Events##
Event | Description |
---|---|
onclick | The onclick event occurs when the pointing device button is clicked over an element. This attribute may be used with most elements. |
ondblclick | The ondblclick event occurs when the pointing device button is double clicked over an element. This attribute may be used with most elements. |
onmousedown | The onmousedown event occurs when the pointing device button is pressed over an element. This attribute may be used with most elements. |
onmouseup | The onmouseup event occurs when the pointing device button is released over an element. This attribute may be used with most elements. |
onmouseover | The onmouseover event occurs when the pointing device is moved onto an element. This attribute may be used with most elements. |
onmousemove | The onmousemove event occurs when the pointing device is moved while it is over an element. This attribute may be used with most elements. |
onmouseout | The onmouseout event occurs when the pointing device is moved away from an element. This attribute may be used with most elements. |
onblur | The onblur event occurs when an element loses focus either by the pointing device or by tabbing navigation. It may be used with the same elements as onfocus. |
onkeypress | The onkeypress event occurs when a key is pressed and released over an element. This attribute may be used with most elements. |
onkeydown | The onkeydown event occurs when a key is pressed down over an element. This attribute may be used with most elements. |
onkeyup | The onkeyup event occurs when a key is released over an element. This attribute may be used with most elements. |