Home HTML HTML colgroup Tag with Example

HTML colgroup Tag with Example

12
0

HTML <colgroup> tag represents a group of one or more columns inside table.

HTML colgroup is a group of <col> tag to apply formatting such as width, text align, styles to entire columns instead of repeating for each cell of each row for a table.

Note: <colgroup> tag mostly supported in all major browsers.

Sample Code

<table border="1">
<caption>Numbers Test</caption>
<colgroup>
<col width="50%" span="1">
<col width="50%" span="1">
</colgroup>
<tr>
<th>Numbers</th>
<th>Numbers in Words</th>
</tr>
<tr>
<td>1</td>
<td>One</td>
</tr>
<tr>
<td>2</td>
<td>Two</td>
</tr>
<tr>
<td>3</td>
<td>Three</td>
</tr>
</table>

Sample Result

Numbers Test
Numbers Numbers in Words
1 One
2 Two
3 Three
Tip: You can see the complete List of HTML Elements here.

Tag Specific Attributes Support

Following are few colgroup tag attributes that are supported by <colgroup> tag.

Attribute Value Description
align center
left
right
justify
Represents the alignment of the col tag
span number Represents the number of columns for a col tag
width pixels
%
Represents the width of the col tag

Standard Attributes Support

HTML <colgroup> tag supports mostly all HTML Attributes. Following are some most common attributes that are used by <colgroup> tag. You can get more details about available HTML Attributes here.

Attribute Value Description
class user_defined Represents a style for an element which is used in CSS style sheet
id user_defined Represents unique id for an element
lang lang_code Represents the language of the element for it’s content
style css_properties Represents an inline style for an element for e.g style=”color:red;text-decoration:underline;”
title user_defined Represents a tooltip information for an elements like img, a, abbr etc

Event Attributes Support

The “script” is invoked when a certain “event” occurs. Each event handler content attribute deals with a different event. HTML <colgroup> tag supports mostly all HTML Event Attributes. Following are some most common event attributes that are used by <colgroup> tag. You can get more details about available HTML Event Attributes here.

Attribute Value Description
onclick script Event Fires immediately when mouse click on the specified element
ondblclick script Event Fires immediately when mouse double-click on the specified element
onkeydown script Event Fires immediately when user is pressing a down key from keyboard
onkeypress script Event Fires immediately when user presses a key from keyboard
onkeyup script Event Fires immediately when user releases a key from keyboard
onmousedown script Event Fires immediately when mouse pointer gets down from an element
onmousemove script Event Fires immediately when mouse pointer moves over an element
onmouseout script Event Fires immediately when mouse pointer gets out from an element
onmouseover script Event Fires immediately when mouse pointer moves over an element
onmouseup script Event Fires immediately when a mouse pointer is released over an element
Previous articleHTML col Tag with Example
Next articleHTML command Tag with Example
Hi there, I am Mayank, the man behind Technical Mack. I started AspnetO with a motive to educate people on various programming languages ranging from beginners to expert level. Through this blog, I aim to provide more insightful content.

LEAVE A REPLY

Please enter your comment!
Please enter your name here

twenty − eleven =