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HTML | <colgroup> width Attribute
  • Last Updated : 07 Aug, 2019

The HTML <colgroup> width Attribute is used to specify the width of the colgroup element. The <colgroup> attribute sets a predefined width of column group.

Syntax:

<colgroup width="pixels|%|relative_lngth">

Attribute Values:

  • pixels: It specify the width of the colgroup in terms of pixels.
  • %: It specify the width of the colgroup element in percent. For ex-width=”50%”
  • relative_length: It divides the length of the table in terms of pixels.

Example:

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<!DOCTYPE html> 
<html
  
<head
    <title
        HTML ColumnGroup width Attribute 
    </title
  
    <style
        #myColGroup { 
            background: green; 
        
          
        table { 
            color: white; 
            background: yellow; 
        
          
        #Geek_p { 
            color: green; 
            font-size: 30px; 
        
          
        td { 
            padding: 10px; 
        
    </style
</head
  
<body
    <center>
        <h1 style="color:green;"
            GeeksForGeeks 
        </h1
      
        <h2>HTML ColumnGroup width Attribute</h2
      
        <table
            <colgroup id="myColGroup" span="3"
                    align = "left" width="150"
            </colgroup
            <tr
                <th>S.No</th
                <th>Title</th
                <th>Geek_id</th
            </tr
            <tr
                <td>Geek_1</td
                <td>GeekForGeeks</td
                <th>Geek_id_1</th
            </tr
            <tr
                <td>Geek_2</td
                <td>GeeksForGeeks</td
                <th>Geek_id_2</th
            </tr
        </table
    </center>
</body
  
</html>

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Output:

Supported Browsers: The browsers supported by <colgroup> width attribute are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Safari
  • Opera

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