The <td> scope attribute is not supported in HTML5.The scope attribute defines a way to associate header cells and data cells in a table.The scope attribute identifies whether a cell is a header for a column, row, or group of columns or rows....
The scope attribute can be used on the following element:ElementAttribute <th> scopeExample Specify that the two header cells are headers for columns: <table> <tr> <th></th> <th scope="col">Month</th> <th scope="col">Savings</th> </tr> <tr> <td>1</td> <td>January</td> <...
scope-- 定义行或列的表头 align-- 代表水平对齐方式(left(左对齐) | center(居中对齐) | right(右对齐) | justify(两端对齐))(此属性应该使用CSS实现) valign-- 代表垂直对齐方式(top(顶部对齐) | middle(中部对齐) | bottom(下部对齐) | baseline(基线对齐))(此属性应该使用CSS实现) td,是"table data...
rowspan<td>,<th>Specifies the number of rows a table cell should span sandbox<iframe>Enables an extra set of restrictions for the content in an <iframe> scope<th>Specifies whether a header cell is a header for a column, row, or group of columns or rows ...
<tableid="mytable"cellspacing="0"summary="The technical specifications of the Apple PowerMac G5 series"><caption>Table 1: Power Mac G5 tech specs</caption><tr><thscope="col"abbr="Configurations">Configurations</th><thscope="col"abbr="Dual 1.8">Dual 1.8GHz</th></tr></table>...
AttributeElement(s) Found OnWhat it does colspan th, td extends a cell to be as wide as 2 or more cells rowspan th, td extends a cell to be as tall as 2 or more cells span col Makes the column apply to more to 2 or more columns sortable table Indicates the table should allow so...
3.1 - 17.4: Not supported 17.5: Not supported 17.6 - TP: Not supported Firefox 2 - 20: Not supported 21 - 54: Supported 55 - 60: Disabled by default 61 - 127: Not supported 128: Not supported 129 - 131: Not supported Opera
An additional table row (<tr>) is added as the first row of the table with column header cells (<th>) providing a header for each column. We put this row in a <thead> grouping element to indicate this is the header of the table. The scope attribute is added to each header cell ...
语言属性(Language attribute) 字符编码 IE 兼容模式 引入CSS 和 JavaScript 文件 实用为王 属性顺序 布尔(boolean)型属性 减少标签的数量 JavaScript 生成的标签 CSS 语法 声明顺序 媒体查询(Media query)的位置 带前缀的属性 单行规则声明 简写形式的属性声明 Less 和 Sass 中的嵌套 注释 class 命名 选择器 代码...
标签:attribute 说明:以对象的形式代表了 HTML 元素的标签属性或属性。 标签:b 说明:指定文本应以粗体渲染。 标签:base 说明:指定一个显式 URL 用于解析对于外部源的链接和引用,如图像和样式表。 标签:basefont 说明:设置渲染文本时作为默认字体的基础字体值。