摘要: 先看看官方文档是如何解释两者之间功能差异的: attr() Get the value of an attribute for the first element in the set of matched elements or set one or more attributes for eve 阅读全文
posted @ 2016-11-30 23:51 小太阳8 阅读(247) 评论(0) 推荐(0) 编辑