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
例如在each函数中的迭代器的结果要和它比较呢,不解,
认证0级讲师
breaker只是一个空对象:
breaker
var breaker = {};
用来判断iterator迭代器是否是一个空对象
iterator
breaker
只是一个空对象:用来判断
iterator
迭代器是否是一个空对象