代码片段理解: line 2: line 8 - 10: 是表达:state.counter[id] = state.counters[id] + 1 Read More
posted @ 2016-10-28 12:29 NOIP/NOI辅导 Views(242) Comments(0) Diggs(0) Edit
... 包含0个或n个属性, { ...state.counters [id]: state.counters[id] - 1 } 只改变其中的id相对应的属性,其他保持不变 Read More
posted @ 2016-10-28 11:39 NOIP/NOI辅导 Views(115) Comments(0) Diggs(0) Edit