Returns multiplication tables from 1 to the maxValue.

Multiplication Table

//helper function
const perMultiplicationTable = function(value, limit){
    let table = '';
    for (let i = 1; i <= limit; i++){
      table += `${i*value} `;
    }
    return table;
}
//main function
const multiplicationTable = function(maxValue) {
  let tables = '';
  for (let i = 1; i <= maxValue; i++){
    tables += `${perMultiplicationTable(i, maxValue)}\n`;
  }
  return tables;
};