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                                            Ye Xi

第 159 题：实现 Promise.retry，成功后 resolve 结果，失败后重试，尝试超过一定次数才真正的 reject

> > > 直接递归处理 > > > ```js > > > Promise.retry = function (promiseFn, times = 3) { > > > return new Promise((resolve,reject)=> promiseFn().then(res=>resolve(res)).catch(err=>times ? Promise.retry(promiseFn, times-1) :...

第 152 题：实现一个 normalize 函数，能将输入的特定的字符串转化为特定的结构化数据

**es6实现** ```javascript function normalize(str) { let obj = {}; let arr = str.split(/[\[\]]/g).filter(Boolean); arr.reduce((acc, cur) => { while (acc.children) { acc = acc.children; } acc.value = cur; acc.children = {};...