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3. The state switching is not obvious, only the state variable is assigned, such as this.state = 'weakLight'. In actual development, such operations are easily missed by programmers. There is no way to clearly understand how many states there are in the light unless you patiently read all the code in the buttonWasPressed method. When there are many kinds of states, the process of a switch seems to be buried in a dark corner of a huge method.云海燕站起来，离开了沈梦海的办公室。Common goal: Through the layer-by-layer decomposition of strategic objectives and key tasks, performance management is used as a means to ensure that the company has the same desire from top to bottom.Is it normal for the waist to feel a little sore after the ordinary high bar squat? "Yo, young man."咱爹回家来，咱娘把吃的、喝的、穿的，样样都弄得妥妥的，这不是伺候咱爹？慕棋，你娘在家不也是这样？李慕棋点点头道：嗳。我戳你一下，表达去向意图。