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Write a JavaScript program to get the minimum value of an array, after mapping each element to a value using the provided function

hamza
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2022-05-18
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Write a JavaScript program to get the minimum value of an array, after mapping each element to a value using the provided function.

JavaScript programming, Programming,
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hamza
2022-05-18
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const minBy = (arr, fn) => Math.min(...arr.map(typeof fn === 'function' ? fn : val => val[fn]));
console.log(minBy([{ n: 4 }, { n: 2 }, { n: 8 }, { n: 6 }], o => o.n));
console.log(minBy([{ n: 4 }, { n: 2 }, { n: 8 }, { n: 6 }], 'n'));

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