Built for what’s next.

const required = [
  "technical_response",
  "delivery_schedule",
  "pricing",
];

const submitted = new Set([
  "technical_response",
  "pricing",
]);

const missing = required.filter(
  item => !submitted.has(item)
);

console.log(missing.length
  ? `Missing: ${missing.join(", ")}`
  : "All listed requirements covered."
);
const required = [
  "technical_response",
  "delivery_schedule",
  "pricing",
];

const submitted = new Set([
  "technical_response",
  "pricing",
]);

const missing = required.filter(
  item => !submitted.has(item)
);

console.log(missing.length
  ? `Missing: ${missing.join(", ")}`
  : "All listed requirements covered."
);