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Divide a number into X parts in JavaScript

This is the code snippet to divide a number n into x parts so that the sum of all parts will be equal to the number n.

const breakIntoParts = (num, parts) => 
        [...Array(parts)].map((_,i) => 
          0|num/parts+(i < num%parts))

console.log(JSON.stringify(breakIntoParts(100, 7)));

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