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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 ~一个可以分享您的真实意图和爱好的地方。神箭山庄以神龙令领导江湖，与当时之神秘组织大堡垒一直抗衡但却无结果，而各门派之高手陆续失踪，庄主连城派独生子连箭伪装成大盗乔三在江湖上行走。大堡垒堡主楚天威派手下孤竹无名以保家之身分与箭接触，而箭为夺御用金，特意向武器世家列家之女当家列枫订制弓箭，枫本为箭未过门指腹为婚之妻子，箭对枫有意遂特意隐瞒未婚夫身分追求枫，枫却感到厌烦不已。 同时月影发现神箭山庄之神龙令与其圣物有关，决定潜入山庄盗宝，几经波折却与连箭产生爱恨交缠的矛盾情愫……那军士长叹道：谁不是这么想？可打仗总会要死人的，就看运气了。风景秀丽的风景，具有历史和文化的旅馆建筑，大量的温泉以及因温泉而相交的生活。尹旭的行为，在某种程度还是触怒了秦国上将军，董翳已经回防，报仇也是情理之中的事。周矮子今儿真气坏了。