Kata 8 - Multiplication Table

kata8MultiplicationTable.js

const multiplicationTable = function(maxValue) {
  let numArray = [];
  for (i = 1; i <= maxValue; i++) {
    let rowArray = [];
    for (j = 1; j <= maxValue; j++) {
      rowArray.push(i * j);
    }
    numArray.push(rowArray);
  }
  let returnString = '';
  for (let ar of numArray) {
    returnString += ar.join(' ') + '\n';
  }
  return returnString;
};

console.log(multiplicationTable(1));
console.log(multiplicationTable(5));
console.log(multiplicationTable(10));