A colgroup is used in a table element to help understand complex hierarchy of information within tables with irregular headers. ... <看更多>

Additional constraints and admonitions #. The “width” attribute on the “colgroup” element is obsolete. Use CSS instead. http://wiki.whatwg.org/wiki/ ... ... <看更多>

The colgroup element has the ability to specify the widths of the individual columns for an HTML table. For inserting a table into ... ... <看更多>

The "colgroup" element is used to style specific columns of a table. --------HTML Tutorial Series Shorts Links ... ... <看更多>