Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
看看这个测试:
http://jsperf.com/jquery-data-vs-jqueryselection-data
为什么第一个更快?为什么 jquery 团队不更新第二个以使用与第一个相同的代码?