HTML<th> tag

In an HTML table there are two types of cells:

Header cell – It contains the header information (created using <th> element)
Data Cells – It contains the main data of the table (created using <td> element).

HTML <th> tag is used to define the header cells of an HTML table. The header cell renders as bold and centered by default on the browser, but you can change its default style using CSS properties.

The <th> tag must be used as a child element of the <tr> element within <table> element. The size of the table is auto-adjustable as per the content size.

Syntax

<th>Content....... </th>

Following are some specifications about the HTML <th> tag

Display	None
Start tag/End tag	Both Start and End tag
Usage	HTML Tables

Example

<!DOCTYPE html>  

<html>  

<head>  

    <title>HTML th Tag</title>  

    <style>  

    table{  

                     border-collapse: collapse;   

           width: 70%;}  

      th,td{  

        background-color: #528b8b;  

        padding: 10px;  

        }  

</style>  

</head>  

<body>  

 <h2>Example of th tag</h2>  

  <table border="1">  

       <tr>  

       <th>Month</th>  

        <th>Date</th>  

        </tr>  

                <tr>  

                 <td>January</td>  

                  <td>20.01.2018</td>  

            </tr>  

            <tr>  

                   <td>February</td>  

                   <td>01.02.2018</td>  

            </tr>  

            <tr>  

                <td>March</td>  

                <td>15.03.2018</td>  

               </tr>  

  </table>  

</body>  

</html>

Output:

Attribute:

Tag-specific attributes:

Attribute	Value	Description
abbr	text	It defines the abbreviated version of content of the header cell. (Not Supported in HTML5)
align	left right center justify char	It specifies the alignment of the content of the header cell. (Not Supported in HTML5)
axis	category_name	It Categorizes header Cells(Not Supported in HTML5)
bgcolor	rgb(x,x,x) #xxxxxx Color_name	It sets the background color of the header cell. (Not Supported in HTML5)
char	character	It specifies the alignment of the content of the header cell to the character. (Not Supported in HTML5)
charoff	number	It specifies the number of characters the header cell content will be aligned from the character specified by the char attribute. (Not Supported in HTML5)
colspan	number	It determines the number of columns a header cell should span.
headers	header_id	It determines a space-separated list of header cells which contains information of the cells is related.
height	% pixels	It determines the height of a table header cell. (Not Supported in HTML5)
nowrap	nowrap	If it sets then content inside the header cell should not wrap. (Not Supported in HTML5)
rowspan	number	It determines the number of rows a cell should span.
scope	col colgroup row rowgroup	It specifies the cells that the header element relates to. (Not Supported in HTML5)
valign	top middle bottom baseline	It determines the vertical alignment of the cell content. (Not Supported in HTML5)
width	% pixels	It determines the width of the header cell.(Not Supported in HTML5)