The Signals pattern was first introduced in JavaScript’s Knockout framework. The basic idea is that a value alerts the rest of the application when it changes. Instead of a component checking its data ...

足总杯八分之一决赛，阿森纳客场对阵曼斯菲尔德，16岁的马克斯-道曼和马利-萨蒙双双首发。据Opta统计，这是英超球队首次在正式比赛中同时派上两名16岁及以下球员，创造历史。