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翻拍自韩剧《百折不挠具海拉》Javascript neither supports abstract classes nor has the concept of interfaces. Therefore, be very careful when using the state mode. If you forget to implement the buttonWasPressed method for a state subclass when writing a state subclass, an exception will be thrown when the state switches. Because Context always delegates requests to the buttonWasPressed method of the state object. Therefore, let the abstract method of the abstract parent class throw an exception directly, which will be found at least during the program run.改编自凑佳苗的短编小说作品。以毒亲为主题，描绘母亲与女儿难以相处的关系。书中六个短编将全部改编，其中女主角包括热爱幻想、嫉妒别人才华、自我中心、善良杀人犯、逃离母亲控制、爱女心切。今夏首播！全6话。外星王子在返航的途中飞船出故障，掉在一个类似于湖泊的地方。他化名峰泉到海龙的学校做班主任，那个女随从化名世钟，去学校做了校医。期间发生了很多有趣又感人的事情，包括和舞蹈老师的爱情故事，和海龙之间的真挚友谊，和坏人的较量等等。徐文长话罢，率先架缰前去。还有……胡宗宪沉声道，绍兴战胜鬼倭的那批人，百姓既不称他们为沥海兵，也不称绍兴兵，而是称杨家军。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.