RosettaCodeData/Task/Pascals-triangle/JavaScript/pascals-triangle-5.js

13 lines
272 B
JavaScript

const aux = n => {
if(n <= 1) return [1]
const prevLayer = aux(n - 1)
const shifted = [0, ...prevLayer]
return shifted.map((x, i) => (prevLayer[i] || 0) + x)
}
const pascal = n => {
for(let i = 1; i <= n; i++) {
console.log(aux(i).join(' '))
}
}
pascal(8)