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For example, if we want to implement a JS function, Such as form validation, Then if we don't use the policy pattern in javascript described in the previous chapter to solve the form validation encapsulation code, It is a temporary form validation function written by itself. Certainly without any encapsulation, Then at this time, we will pop up a prompt to the user for whether the two values are equal. If there is a form verification on another page, their judgment method and business logic are basically the same, but the comparison parameters are different. Should we consider writing a form verification code again? So now we can consider using the template method pattern to solve this problem. Common methods are extracted, and different methods are implemented by specific subclasses. This design code also has the advantages of stronger scalability and better code ~219. X.X.198只不过在命运的指引下，毛伊还是随着莫阿娜踏上未知的征途……只可惜……他深深地在心中叹了口气。即将于10/1与大家见面的剧集《白种元的醉话人生》将于Netflix公开，知名主厨白种元在这部剧集将与各行各业的代表见面，与他们藉著酒香满溢的料理畅谈人生。至今公开的嘉宾第一、二集分别为歌手朴载范、Loco，与演员韩志旼。近日更抢先公开第三四集的嘉宾：有演员李准基和罗锡PD，这些公开的豪华阵容更让观众期待后面几集莅临节目的嘉宾。大多时候，人们都愿意把红颜比作祸水，但是我们将要看到的却是一个不折不扣的恶魔……这是一个由性欲的气息衍生出来的恐怖故事，伴随的是一种参杂着道德败坏的邪恶的幽默感。所有的一切都是围绕着一座小城镇里的高中女生詹妮弗·查克（《变形金刚2》女主演梅根·福克斯饰）展开的，她是学校里的风云人物，是所有男生梦寐以求的性感女神。然而让人们想象不到的是，这样一个尤物竟然被有史以来最饥渴的恶鬼附身，让她从最初的"高中小魔女"，变身成了一个真正的魔鬼。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.