| Attribute | HTML4.01 | XHTML1.0 | XHTML | Value | ||||
| S | T | F | S | T | F | 1.1 | ||
| id | ● | ● | ● | ● | ● | ● | ● | 固有の拡張子 |
| class | ● | ● | ● | ● | ● | ● | ● | 分類名 |
| title | ● | ● | ● | ● | ● | ● | ● | 文字列 |
| style | ● | ● | ● | ● | ● | ● | × | CSS |
子要素として持てる要素は、ヘッダ部に使用する要素を除くすべての要素
| Attribute | HTML4.01 | XHTML1.0 | XHTML | Value | ||||
| S | T | F | S | T | F | 1.1 | ||
| cite | ● | ● | ● | ● | ● | ● | ● | URI |
| datetime | ● | ● | ● | ● | ● | ● | ● | 時間 |
| id | ● | ● | ● | ● | ● | ● | ● | 固有の拡張子 |
| class | ● | ● | ● | ● | ● | ● | ● | 分類名 |
| title | ● | ● | ● | ● | ● | ● | ● | 文字列 |
| style | ● | ● | ● | ● | ● | ● | × | CSS |
子要素として持てる要素は、ヘッダ部に使用する要素を除くすべての要素
| Attribute | HTML4.01 | XHTML1.0 | XHTML | Value | ||||
| S | T | F | S | T | F | 1.1 | ||
| id | ● | ● | ● | ● | ● | ● | ● | 固有の拡張子 |
| class | ● | ● | ● | ● | ● | ● | ● | 分類名 |
| title | ● | ● | ● | ● | ● | ● | ● | 文字列 |
| style | ● | ● | ● | ● | ● | ● | × | CSS |
子要素として持てる要素は、インラインレベル要素のみ。
| Attribute | HTML4.01 | XHTML1.0 | XHTML | Value | ||||
| S | T | F | S | T | F | 1.1 | ||
| align | × | ● | ● | × | ● | ● | × | 位置 |
| id | ● | ● | ● | ● | ● | ● | ● | 固有の拡張子 |
| class | ● | ● | ● | ● | ● | ● | ● | 分類名 |
| title | ● | ● | ● | ● | ● | ● | ● | 文字列 |
| style | ● | ● | ● | ● | ● | ● | × | CSS |
子要素として持てる要素は、ヘッダ部に使用する要素を除くすべての要素
| Attribute | HTML4.01 | XHTML1.0 | XHTML | Value | ||||
| S | T | F | S | T | F | 1.1 | ||
| compact | × | ● | ● | × | ● | ● | × | XHTMLでは compact |
| id | ● | ● | ● | ● | ● | ● | ● | 固有の拡張子 |
| class | ● | ● | ● | ● | ● | ● | ● | 分類名 |
| title | ● | ● | ● | ● | ● | ● | ● | 文字列 |
| style | ● | ● | ● | ● | ● | ● | × | CSS |
子要素として持てる要素は、dd要素、dt要素のみ
| Attribute | HTML4.01 | XHTML1.0 | XHTML | Value | ||||
| S | T | F | S | T | F | 1.1 | ||
| id | ● | ● | ● | ● | ● | ● | ● | 固有の拡張子 |
| class | ● | ● | ● | ● | ● | ● | ● | 分類名 |
| title | ● | ● | ● | ● | ● | ● | ● | 文字列 |
| style | ● | ● | ● | ● | ● | ● | × | CSS |
子要素として持てる要素は、インラインレベル要素のみ