count<=10) ans = "***-***-"+last4; else ans = "+"+string(count count==10: ans = "***-***-"+last4 else: ans = "+"+'*'*(count
extern bool YieldInternal()】,当count是14的时候第一次调用 Thread.Sleep(0),当count是29的时候第一次调用 Thread.Sleep(1),后的的规则是(count -10)%20==19 调用Thread.Sleep(1),否者检查(count-10)%5==4Thread.Sleep(0).
<button onClick={() => setCount(count+10)}>Add 10</button> <button onClick={() => setCount(count button onClick={() => setCount(count+10)}>Add 10</button> <button onClick={() => setCount(count button onClick={() => setCount(count+10)}>Add 10</button> <button onClick={() => setCount(count