标签
对于表格中的列进行组合,以便对其进行格式化 通过这个标签可以向整个列应用样式,而不需要重复为每个单元格或每一行设置样式
标签
可以规定元素内部的每一列的列属性。
属性
元素应该横跨的列数| span | 规定 |
|---|---|
标签
规定用于表单的密钥对生成器字段 当提交表单时,私钥储存在本地,公钥发送到服务器
结构元素
元素
标签定义了文档中的节。比如章节,页眉,页脚或文档中的其他部分
<!DOCTYPE html><html><body><!-- <section>标签定义了文档中的节。比如章节,页眉,页脚或文档中的其他部分 --><section><h1>WWF</h1><p>The World Wide Fund for Nature (WWF) is an international organizationworking on issues regarding the conservation, research and restorationof the environment, formerly named the World Wildlife Fund. WWF wasfounded in 1961.</p></section><section><h1>WWF's Panda symbol</h1><p>The Panda has become the symbol of WWF. The well-known panda logo of WWForiginated from a panda named Chi Chi that was transferred from theBeijing Zoo to the London Zoo in the same year of the establishment ofWWF.</p></section></body></html>
用于定义在脚本未被执行时的替代内容(文本) 如果浏览器支持脚本,那么它就不会显示出替代文本
<noscript>Your browser does not support JavaScript!</noscript>
or
<noscript>Your browser does not support VBScript!</noscript>
