JSFiddle - React, Tailwind, and code Playground

by martinmakesitwork

JavaScript

const countries = ['Belgium', 'Uk']
const years = ['2019', '2018', '2017']
const colors = ['red', 'orange', 'green']
const dataset = [];


countries.forEach((country)=>{
  years.forEach((year)=>{
    const obj = {
      country: country,
      year: year 
    }
    colors.forEach((color)=>{
        obj[color] = Math.floor(Math.random() * 300) + 1;
      })
    dataset.push(obj);
  })
})

console.log(dataset);