オブジェクトvalueチェック

JavaScript

Posted at 2025-09-30

function hasAllProperties(obj, requiredKeys) {
  return requiredKeys.every(key => 
    Object.prototype.hasOwnProperty.call(obj, key) &&
    obj[key] !== null &&
    obj[key] !== undefined &&
    obj[key] !== ""
  );
}

const user = { name: "Alice", age: 25, email: "test@example.com" };
console.log(hasAllProperties(user, ["name", "age", "email"])); // true

const invalidUser = { name: "Bob", age: null };
console.log(hasAllProperties(invalidUser, ["name", "age", "email"])); // false

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