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实现一个符合 Promises/A+ 规范的 Promise | HZFE - 剑指前端 Offer #67
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状态机 (有限元状态机) |
有限元状态机不止这一种利用方式,这是一种编程思想,而前端的那些钩子你可以理解为状态切换的过程中调用了那些钩子函数,所谓的组件创建前,组件挂载前,组件销毁这都是状态,而每一种状态执行该状态下的方法,状态之间是可以切换的,但是不是随意切换,每一种状态可以由前一种状态切换到后一种状态,这种状态可以是可逆的,也可以是不可逆的。比如门只有 |
看不懂咋办啊,这是什么水平的面试题啊,是我太菜了吗 |
2023年3月初 腾讯暑期实习提前批一面笔试题:尝试手写一个Promise |
我从头尾照着理解、敲了一遍,依然懵懵懂懂的 |
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实现一个符合 Promises/A+ 规范的 Promise | HZFE - 剑指前端 Offer
这是一道有着成熟的业界规范的 coding 题,完成这道题的前置知识就是要了解什么是 Promises/A+。
https://febook.hzfe.org/awesome-interview/book1/coding-promise
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