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theremon/cassidoo.2023-01-30.js

Created January 30, 2023 11:30
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Given a positive integer, generate an array in which every element is an array that goes from 1 to the index of that array
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cassidoo.2023-01-30.js
const generateArrays = (len) => {
return Array(len)
.fill()
.map((item, idx) => {
return [...Array(idx + 1).keys()].map((x) => x + 1);
});
};
console.log(generateArrays(5));
console.log(generateArrays(1));
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