querySelectorAll:return a NodeList containing all of the matching Element nodes within the node's subtrees, in document order. If there are no such nodes, the method must return an empty NodeList. (返回指定元素節(jié)點的子樹中匹配selector的節(jié)點集合,采用的是深度優(yōu)先預查找;如果沒有匹配的,這個方法...
www.dbjr.com.cn/article/1007...htm 2025-5-29