Drill 19: Change a value — Project: a quiz app

const questions = [
  { q: "Which keyword creates a constant?", options: ["let", "const", "var"], answer: 1 },
  { q: "Which method transforms an array?", options: ["map", "push", "splice"], answer: 0 },
  { q: "What does === compare?", options: ["Values only", "Types only", "Values and types"], answer: 2 },
];

let index = 0;
let score = 0;

function render() {
  if (index >= questions.length) {
    document.body.textContent = `Score: ${score} / ${questions.length}`;
    return;
  }
  // render the current question and options
}