Free Python Institute JSA-41-01 Practice Exams

Python Institute JSA-41-01 Practice Exams

Last updated on Oct 22,2026
  • Exam Code: JSA-41-01
  • Exam Name: JSA - Certified Associate JavaScript Programmer
  • Certification Provider: Python Institute
  • Latest update: Oct 22,2026
Question #225

console.log(countries.CAN.population);

  • A . countries[countryCode].population = newPopulation;
  • B . countries.update(countryCode, { population: newPopulation });
  • C . countries.countryCode.population = newPopulation;
  • D . countries[countryCode] = { population: newPopulation };

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Correct Answer: A
Question #225

console.log(countries.CAN.population);

  • A . countries[countryCode].population = newPopulation;
  • B . countries.update(countryCode, { population: newPopulation });
  • C . countries.countryCode.population = newPopulation;
  • D . countries[countryCode] = { population: newPopulation };

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Correct Answer: A
Question #225

console.log(countries.CAN.population);

  • A . countries[countryCode].population = newPopulation;
  • B . countries.update(countryCode, { population: newPopulation });
  • C . countries.countryCode.population = newPopulation;
  • D . countries[countryCode] = { population: newPopulation };

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Correct Answer: A
Question #225

console.log(countries.CAN.population);

  • A . countries[countryCode].population = newPopulation;
  • B . countries.update(countryCode, { population: newPopulation });
  • C . countries.countryCode.population = newPopulation;
  • D . countries[countryCode] = { population: newPopulation };

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Correct Answer: A
Question #225

console.log(countries.CAN.population);

  • A . countries[countryCode].population = newPopulation;
  • B . countries.update(countryCode, { population: newPopulation });
  • C . countries.countryCode.population = newPopulation;
  • D . countries[countryCode] = { population: newPopulation };

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Correct Answer: A
Question #225

console.log(countries.CAN.population);

  • A . countries[countryCode].population = newPopulation;
  • B . countries.update(countryCode, { population: newPopulation });
  • C . countries.countryCode.population = newPopulation;
  • D . countries[countryCode] = { population: newPopulation };

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Correct Answer: A
Question #237

You are using the Factory pattern to create objects without a class.

Which of the following code snippets correctly implements a Factory function to create Person objects with name and age properties?

  • A . function createPerson(name, age) { this.name = name; this.age = age;}let person = new createPerson(‘John’, 30);
  • B . class PersonFactory { constructor(name, age) { this.name = name; this.age = age; }}let person = new PersonFactory(‘John’, 30);
  • C . const createPerson = (name, age) => ({ name: name, age: age});let person = createPerson(‘John’, 30);
  • D . function createPerson(name, age) { return { name: name, age: age };}let person =
    createPerson(‘John’, 30);

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Correct Answer: D
Question #237

You are using the Factory pattern to create objects without a class.

Which of the following code snippets correctly implements a Factory function to create Person objects with name and age properties?

  • A . function createPerson(name, age) { this.name = name; this.age = age;}let person = new createPerson(‘John’, 30);
  • B . class PersonFactory { constructor(name, age) { this.name = name; this.age = age; }}let person = new PersonFactory(‘John’, 30);
  • C . const createPerson = (name, age) => ({ name: name, age: age});let person = createPerson(‘John’, 30);
  • D . function createPerson(name, age) { return { name: name, age: age };}let person =
    createPerson(‘John’, 30);

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Correct Answer: D
Question #237

You are using the Factory pattern to create objects without a class.

Which of the following code snippets correctly implements a Factory function to create Person objects with name and age properties?

  • A . function createPerson(name, age) { this.name = name; this.age = age;}let person = new createPerson(‘John’, 30);
  • B . class PersonFactory { constructor(name, age) { this.name = name; this.age = age; }}let person = new PersonFactory(‘John’, 30);
  • C . const createPerson = (name, age) => ({ name: name, age: age});let person = createPerson(‘John’, 30);
  • D . function createPerson(name, age) { return { name: name, age: age };}let person =
    createPerson(‘John’, 30);

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Correct Answer: D
Question #237

You are using the Factory pattern to create objects without a class.

Which of the following code snippets correctly implements a Factory function to create Person objects with name and age properties?

  • A . function createPerson(name, age) { this.name = name; this.age = age;}let person = new createPerson(‘John’, 30);
  • B . class PersonFactory { constructor(name, age) { this.name = name; this.age = age; }}let person = new PersonFactory(‘John’, 30);
  • C . const createPerson = (name, age) => ({ name: name, age: age});let person = createPerson(‘John’, 30);
  • D . function createPerson(name, age) { return { name: name, age: age };}let person =
    createPerson(‘John’, 30);

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Correct Answer: D
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