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// const test = {} // Object.defineProperty(test,'test',{ // value: 'test', // enumerable: true, // writable: true, // configurable: true // 可配置的,就是能用 阅读全文
posted @ 2021-09-09 22:46
hhvfg
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const arr = [1, 2, 3, 4] const p = [] const res = [] const visited = new Array(arr.length).fill(false) const f = (depth) => { if (depth.length arr.len 阅读全文
posted @ 2021-09-09 11:30
hhvfg
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// 找出最长的回文子串 let s = 'ac' const judge = (s) => { let arr = Array.from(s) let mid = 0 if (arr.length % 2 0 ) { mid = arr.length / 2 -1 } else { mid = M 阅读全文
posted @ 2021-09-09 10:28
hhvfg
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// 不含重复元素的最长子串长度 let s = 'abcabbcb' const judge = (s) => { return Array.from(s).length Array.from(new Set(s)).length? true: false } const f = (s) => { 阅读全文
posted @ 2021-09-09 10:17
hhvfg
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const arrSum = (arr) => { return arr.reduce((a, b) => { return a+b }, 0) } const f = (arr) => { // ..... let max = -Infinity for (let i = 0;i < arr.le 阅读全文
posted @ 2021-09-09 09:50
hhvfg
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