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function validIPAddresses(string) { const res= [] for (let i = 1; i < Math.min(string.length, 4); i++) { const parts = ['', '', '', ''] parts[0] = str 阅读全文
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Given an union of types and array of type pairs to replace ([[string, number], [Date, null]]), return a new union replaced with the type pairs. /* ___ 阅读全文
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Capitalize the key of the object, and if the value is an array, iterate through the objects in the array. /* _____________ Your Code Here ____________ 阅读全文
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You have a target object and a source array of objects. You need to copy property from source to target, if it has the same property as the source, yo 阅读全文
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Given an array of integers nums and an integer target, return true if two numbers such that they add up to target. /* _____________ Your Code Here ___ 阅读全文
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The optimizing compiler optimizes for what it’s seen. If it sees something new, that’s problematic. Seleting properties has some strange implications 阅读全文
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Code: benchmark.js const { performance } = require('perf_hooks'); // SETUP 🏁 let iterations = 1e7; const a = 1; const b = 2; const add = (x, y) => x 阅读全文
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Get all possible paths that could be called by _.get (a lodash function) to get the value of an object type T1 = ObjectKeyPaths<{ name: string; age: n 阅读全文
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Implement BinaryToDecimal<S> which takes an exact string type S consisting 0 and 1 and returns an exact number type corresponding with S when S is reg 阅读全文
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Implement the type version of Lodash.intersection with a little difference. Intersection takes an Array T containing several arrays or any type elemen 阅读全文