Generating Questions with Recursion

generate-question.js

// generating questions of some complexity for kids math
// ["8 + 8 =", "8 + 5 =", "6 + 5 =", "3 + 9 =", "4 + 8 ="]

function generateRandomInteger(complexity) {
  return Math.floor(Math.random() * complexity);
}

function matchingPairs(complexity) {
  const x = generateRandomInteger(complexity);
  const y = generateRandomInteger(complexity);
  
  if ((x + y) >= complexity) {
    return [x, y];
  } else {
    return matchingPairs(complexity);
  }
}

function randomQuestionGenerator(n, complexity) {
  let questions = [];
  for(let i = 0; i < n; i++) {
    const [x, y] = matchingPairs(complexity);
    questions.push(`${x} + ${y} =`);
  };
  
  return questions;
}

const ques = randomQuestionGenerator(5, 10);
console.log(ques);