Similar elements often have unique attributes, such as the id attribute used in XHTML elements to give them a unique reference id (see Listing 9).
类似的元素通常具有独特的属性，比如XHTML元素中使用的id属性，是为了给XHTML元素一个惟一的引用id(参见清单9)。
Similar elements often have unique attributes, such as the id attribute used in XHTML elements to give them a unique reference id (see Listing 9).
类似的元素通常具有独特的属性，比如XHTML元素中使用的id属性，是为了给XHTML元素一个惟一的引用id(参见清单9)。
应用推荐