84669 person learning
152542 person learning
20005 person learning
5487 person learning
7821 person learning
359900 person learning
3350 person learning
180660 person learning
48569 person learning
18603 person learning
40936 person learning
1549 person learning
1183 person learning
32909 person learning
RT,例如 $('xxx').find('xxx').find('xxx').find('xxx')...最好能贴个精简版的DOME研究几番
How does jq make it possible to call a method multiple times? -PHP Chinese website Q&A-How can jq call a method multiple times? -PHP Chinese website Q&A
Let’s take a look and learn.
方法执行完再返回jQuery就行了,这个叫jQuery的链式操作。优点有一下:代码更精简。链式操作能大大精简代码量,多项操作一行代码一气呵成,搞定;优化性能。使用链式操作,所有操作代码共享一个jQuery对象,省去了逐步查询DOM元素的性能损耗。
How does jq make it possible to call a method multiple times? -PHP Chinese website Q&A-How can jq call a method multiple times? -PHP Chinese website Q&A
Let’s take a look and learn.
方法执行完再返回jQuery就行了,这个叫jQuery的链式操作。
优点有一下:
代码更精简。链式操作能大大精简代码量,多项操作一行代码一气呵成,搞定;
优化性能。使用链式操作,所有操作代码共享一个jQuery对象,省去了逐步查询DOM元素的性能损耗。