The <thead>
HTML element defines a set of rows defining the head of the columns of the table.
The <thead>
HTML element defines a set of rows defining the head of the columns of the table.
Content categories | None. |
---|---|
Permitted content | Zero or more <tr> elements. |
Tag omission | The start tag is mandatory. The end tag may be omitted if the <thead> element is immediately followed by a <tbody> or <tfoot> element. |
Permitted parents | A <table> element. The <thead> must appear after any <caption> or <colgroup> element, even implicitly defined, but before any <tbody> , <tfoot> and <tr> element. |
Implicit ARIA role | rowgroup |
Permitted ARIA roles | Any |
DOM interface | HTMLTableSectionElement |
This element includes the global attributes.
align
Deprecated
This enumerated attribute specifies how horizontal alignment of each cell content will be handled. Possible values are:
left
, aligning the content to the left of the cellcenter
, centering the content in the cellright
, aligning the content to the right of the celljustify
, inserting spaces into the textual content so that the content is justified in the cellchar
, aligning the textual content on a special character with a minimal offset, defined by the char
and charoff
attributes.If this attribute is not set, the left
value is assumed.
Warning: Do not use this attribute as it is obsolete (not supported) in the latest standard.
text-align
property instead.bgcolor
Deprecated
This attribute defines the background color of each cell of the column. It accepts a 6-digit hexadecimal color or a named color. Alphatransparency is not supported.
Note: Do not use this attribute, as it is non-standard. The thead
element should be styled using the CSS background-color
property, which can be applied to any element, including the thead
, <tr>
, <td>
and <th>
elements.
char
Deprecated
This attribute is used to set the character to align the cells in a column on. Typical values for this include a period (.) when attempting to align numbers or monetary values. If align
is not set to char
, this attribute is ignored.
Note: Do not use this attribute as it is obsolete (and not supported) in the latest standard.
charoff
Deprecated
This attribute is used to indicate the number of characters to offset the column data from the alignment characters specified by the char attribute.
Note: Do not use this attribute as it is obsolete (and not supported) in the latest standard.
valign
Deprecated
This attribute specifies the vertical alignment of the text within each row of cells of the table header. Possible values for this attribute are:
baseline
, which will put the text as close to the bottom of the cell as it is possible, but align it on the baseline of the characters instead of the bottom of them. If characters are all of the size, this has the same effect as bottom
.bottom
, which will put the text as close to the bottom of the cell as it is possible;middle
, which will center the text in the cell;top
, which will put the text as close to the top of the cell as it is possible.Note: Do not use this attribute as it is obsolete (and not supported) in the latest standard: instead set the CSS vertical-align
property on it.
See <table>
for examples on <thead>
.
Specification |
---|
HTML Standard # the-thead-element |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
thead |
1 |
12 |
1 |
Yes |
Yes |
Yes |
Yes |
Yes |
4 |
Yes |
Yes |
Yes |
align |
No |
12 |
No
See bug 915.
|
Yes |
No |
No |
No |
No |
No
See bug 915.
|
No |
No |
No |
bgcolor |
No |
No |
No |
Yes |
No |
No |
No |
No |
No |
No |
No |
No |
char |
No |
12 |
No
See bug 2212.
|
Yes |
No |
No |
No |
No |
No
See bug 2212.
|
No |
No |
No |
charoff |
No |
12 |
No
See bug 2212.
|
Yes |
No |
No |
No |
No |
No
See bug 2212.
|
No |
No |
No |
valign |
No |
12 |
No
See bug 915.
|
Yes |
No |
No |
No |
No |
No
See bug 915.
|
No |
No |
No |
<caption>
, <col>
, <colgroup>
, <table>
, <tbody>
, <td>
, <tfoot>
, <th>
, <tr>
;<thead>
element: :nth-child
pseudo-class to set the alignment on the cells of the column;text-align
property to align all cells content on the same character, like '.'.
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https://developer.mozilla.org/en-US/docs/Web/HTML/Element/thead