JSFiddle - React, Tailwind, and code Playground
by evgkch
JavaScript
// Создание точки [x, y]
const createPoint = (v, k) => [k, Math.round((20 * Math.random()) + 60)];
// Создание полигона точек [[x1, y1], [x2, y2], ...]
const createPolygon = () => Array.from(Array(10), createPoint);
console.log(createPolygon())