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th

Specifies that a cell in a table is a header cell.

Browser/User Agent Support

IE Netscape Mozilla Opera Safari
2.0+ 1.1+ 1.0+ 4.0+ 1.0+

Example

This example shows a table with a header row, and three body rows:


<table>
	<tr> 
		<th>Dog Breed</th><th> Dog Name  </th>
	</tr>
	<tr> 
		<td>Labrador retriever </td>  <td> Lucky </td>
	</tr>
	<tr>
		<td>Golden retriever </td>  <td> Jordo </td>
	<tr>
	</tr>
		<td>Pug </td> <td> Bella </td>
	</tr>
</table>

Remarks

Use the <th> </th> elements to style table header cells differently from the rest of the table.

Attribute Detail

Attribute IE Netscape Mozilla Opera Safari
abbr
[abbreviation]. Example values: ROI, PE, etc.
Abbreviation for a header cell in a table.
2.0+ 1.1+ 1.0+ 4.0+ 1.0+
 
accesskey
[key].
Hot-key shortcut for the element.
5.5+ no no no 1.0+
 
Defines the alignment of the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
axis
[group-name].
Specifies a name for a group of headers.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
background
[url]. Example values: "../images/blue-background.gif", etc.
Specifies the URL for the background image for the document or element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
bgcolor
[color | "transparent"]. Example values: Red, #FF0000 (#RRGGBB color code for "red"), etc.
Specifies the background color for the document or element. Specify either a color name or RGB color.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
bordercolor
[color | "transparent"]. Example values: Red, #FF0000 (#RRGGBB color code for "red"), etc.
Specifies the color of the border of the element. Specify either a color name or RGB color code.
4.0+ no no no no
 
bordercolordark
[color | "transparent"]. Example values: Red, #FF0000 (#RRGGBB color code for "red"), etc.
Specifies the darker color of the border of the element, if the element has a 3D effect. Specify either a color name or RGB color code.
4.0+ no no no no
 
bordercolorlight
[color | "transparent"]. Example values: Red, #FF0000 (#RRGGBB color code for "red"), etc.
Specifies the lighter color of the border of the element, if the element has a 3D effect. Specify either a color name or RGB color code.
4.0+ no no no no
 
char
[character]. Example values: ".", "*", etc.
Specifies which character to use to set the alignment for the element.
4.0+ 1.0+ 7.0+ 1.0+
 
charoff
[number-of-characters]. Example values: 2, -2, etc.
Number of characters to offset the other column characters from the character specified by char.
4.0+ 1.0+ 7.0+ 1.0+
 
class
[class-name]. Example values: header-class, list-element, etc.
CSS class assigned to the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
colspan
[number]
Number of columns that the element should span.
2.0+ 1.1+ 1.0+ 4.0+ 1.0+
 
dir
Direction of the element text.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
headers
[header-name1 header-name2 header-name3 etc. ]
Space-delimited list of header cell id's for header cells that are related to the element.
2.0+ 1.1+ 1.0+ 4.0+ 1.0+
 
height
[number-of-pixels]
Height of the element (in pixels).
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Specifies whether the element shows a visual cue when it has focus.
5.5+ no no no no
 
id
[element-id]
Unique identifier for the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
lang
[language-code]. Example values: "en" (English), "fr" (French), "es" (Spanish), etc.
Language code for the content of the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Script language for the element.
3.0+ 2.0+ 1.0+ no 1.0+
 
If present, specifies that the element text should not wrap.
2.0+ 1.1+ 1.0+ 4.0+ 1.0+
 
rowspan
[number-of-rows]
Number of rows that the element should span.
4.0+ 1.1+ 1.0+ 4.0+ 1.0+
 
Specifies cells that the element is a header for.
2.0+ 1.1+ 1.0+ 4.0+ 1.0+
 
style
[style-name]
Inline style for the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
tabindex
[number]
Position of the element in the tabbing order for the document.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
title
[text-description]
Short text description for the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Specifies whether or not the element is unselectable.
5.5+ no no no no
 
Vertical alignment of the element.
2.0+ 1.1+ 1.0+ 4.0+ 1.0+
 

Event Detail

Event IE Netscape Mozilla Opera Safari
Fires when the element becomes active.
4.0+ no no no no
 
Fires immediately before the element becomes active.
4.0+ no no no no
 
Fires immediately before the selection is copied to the clipboard.
4.0+ no no no 1.0+
 
Fires immediately before the selection is cut to the clipboard.
4.0+ no no no 1.0+
 
Fires immediately before the element stops being the active element.
4.0+ no no no no
 
Fires immediately before the element receives focus prior to being edited.
4.0+ no no no no
 
Fires immediately before the selection is pasted from the clipboard to the element.
4.0+ no no no 1.0+
 
Fires when the element loses focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the element is clicked.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the element is right-clicked and the context menu opens.
4.0+ no no no 1.0+
 
Fires immediately before the element is selected.
4.0+ no no no no
 
Fires when the element is copied to the clipboard.
4.0+ no no no 1.0+
 
Fires when the element is cut to the clipboard.
4.0+ no no no 1.0+
 
Fires when the element is double-clicked.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the active element becomes inactive.
4.0+ no no no no
 
Fires when the element is dragged.
4.0+ no no no 1.0+
 
Fires when the element is released from being dragged.
4.0+ no no no 1.0+
 
Fires when the element has another object dragged onto it that can be dropped on the element.
4.0+ no no no 1.0+
 
Fires when an element has an object dragged out of it that could be dropped onto the element.
4.0+ no no no 1.0+
 
Fires when an element has an object dragged over it that could be dropped onto the element.
4.0+ no no no 1.0+
 
Fires immediately before an element is dragged.
4.0+ no no no 1.0+
 
Fires when an object is dropped onto the element.
4.0+ no no no 1.0+
 
Fires when the element receives focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires immediately before an element receives focus.
4.0+ no no no no
 
Fires immediately after focus moves from the element to another element.
4.0+ no no no no
 
Fires when a user presses the F1 key to activate help.
4.0+ no no no no
 
Fires when a user presses down on a key while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when a user presses a key or holds down the key while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when a user releases a key while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the element loses mouse capture.
4.0+ no no no no
 
Fires when a user clicks down on the mouse button while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the mouse pointer enters the element.
4.0+ no no no no
 
Fires when the mouse pointer leaves the element.
4.0+ no no no no
 
Fires when the mouse moves while the pointer over the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the mouse pointer moves off of the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the mouse pointer moves over the element.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the user releases the mouse button while the element has focus.
2.0+ 1.0+ 1.0+ 4.0+ 1.0+
 
Fires when the user rotates the mouse wheel while the element has focus.
4.0+ no no no no
 
Fires when the element moves.
4.0+ no no no no
 
Fires when the element stops moving.
4.0+ no no no no
 
Fires immediately before the element moves.
4.0+ no no no no
 
Fires when the clipboard contents are pasted onto the element.
4.0+ no no no 1.0+
 
Fires when one of the properties of the element changes.
4.0+ no no no no
 
Fires when the ready state of the element changes.
4.0+ no no no no
 
Fires immediately before an element is about to be resized.
4.0+ no no no 1.0+
 
Fires when the element is finished being resized.
4.0+ no no no no
 
Fires immediately before a user resizes the element.
4.0+ no no no no
 
Fires immediately before the element is selected.
4.0+ no no no 1.0+
 
Fires when a time-related error occurs.
4.0+ no no no no
 

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