This attribute contains a short abbreviated description of the cell's content. Some user-agents, such as speech readers, may present this description before the content itself.

备注： Do not use this attribute as it is obsolete in the latest standard. Alternatively, you can put the abbreviated description inside the cell and place the long content in the title attribute.

This enumerated attribute specifies how the cell content's horizontal alignment will be handled. Possible values are:

备注： Do not use this attribute as it is obsolete in the latest standard.

This attribute contains a list of space-separated strings. Each string is the id of a group of cells that this header applies to.

备注： Do not use this attribute as it is obsolete in the latest standard.

This attribute defines the background color of each cell in a column. It consists of a 6-digit hexadecimal code as defined in sRGB and is prefixed by '#'. This attribute may be used with one of sixteen predefined color strings.

备注： Do not use this attribute, as it is non-standard and only implemented in some versions of Microsoft Internet Explorer: The element should be styled using CSS. To create a similar effect use the background-color property in CSS instead.

The content in the cell element is aligned to a character. Typical values include a period (.) to align numbers or monetary values. If align is not set to char, this attribute is ignored.

备注： Do not use this attribute as it is obsolete in the latest standard. To achieve the same effect, you can specify the character as the first value of the text-align property, 未实现 in CSS3.

This attribute is used to shift column data to the right of the character specified by the char attribute. Its value specifies the length of this shift.

备注： Do not use this attribute as it is obsolete in the latest standard.

This attribute contains a non-negative integer value that indicates for how many columns the cell extends. Its default value is 1. Values higher than 1000 will be considered as incorrect and will be set to the default value (1).

This attribute contains a list of space-separated strings, each corresponding to the id attribute of the elements that apply to this element.

This attribute is used to define a recommended cell height.

备注： Do not use this attribute as it is obsolete in the latest standard: use the CSS height property instead.

This attribute contains a non-negative integer value that indicates for how many rows the cell extends. Its default value is 1; if its value is set to 0, it extends until the end of the table section (, , , even if implicitly defined), that the cell belongs to. Values higher than 65534 are clipped down to 65534.

This enumerated attribute defines the cells that the header (defined in the ) element relates to.

备注： Using this attribute with a table cell element is obsolete in the latest standard. Use this attribute only with the element to define the row or column for which it is a header.

This attribute specifies how a text is vertically aligned inside a cell. Possible values for this attribute are:

备注： Do not use this attribute as it is obsolete in the latest standard: use the CSS vertical-align property instead.

This attribute is used to define a recommended cell width. Additional space can be added with the cellspacing (en-US) and cellpadding (en-US) properties and the width of the element can also create extra width. But, if a column's width is too narrow to show a particular cell properly, it will be widened when displayed.

备注： Do not use this attribute as it is obsolete in the latest standard: use the CSS width property instead.