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javascript·passage intermediate
javascript·passage intermediateDesktop Required to Type
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const memoize = (fn) => {↵
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const cache = new Map();↵
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return (...args) => {↵
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const key = JSON.stringify(args);↵
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if (cache.has(key)) {↵
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return cache.get(key);↵
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}↵
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const computed = fn(...args);↵
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cache.set(key, computed);↵
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return computed;↵
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};↵
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};↵
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↵
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const fibonacci = memoize((n) => {↵
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if (n <= 1) return n;↵
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return fibonacci(n - 1) + fibonacci(n - 2);↵
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});
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