Instructions
- 1. Your final score will reflect your grasp of the concepts—approach each question with precision.
- 2. Thoroughly review each solution before proceeding to ensure full understanding.
- 3. Final results will be available after submission to provide insights into areas for further improvement.
- 4. Maintain academic integrity—plagiarism undermines learning and professional growth.
- 5. Once submitted, responses are final, so ensure you’re confident in your answers.
- 6. These challenges are designed to test practical knowledge; apply your skills as you would in real-world scenarios.
All Problems
Question
Action
Which of the following is an array-like object in JavaScript?
How do you convert an array-like object (such as arguments) into a real array?
What is the result of the following code?
What does the spread operator (...) do when used with arrays?
What does the following code return?
Which of the following uses the rest operator correctly?
What does the rest operator do?
Which operator is used to expand elements from an iterable (such as an array)?
What is the output of the following code?
What is the result of combining arrays using the spread operator?
Which of the following is an array-like object in JavaScript?
How do you convert an array-like object (such as arguments) into a real array?
What is the result of the following code?
function sum(...numbers) { return numbers.reduce((total, num) => total + num, 0); } console.log(sum(1, 2, 3, 4));
What does the spread operator (...) do when used with arrays?
What does the following code return?
var arr1 = [1, 2]; var arr2 = [3, 4]; var combined = [...arr1, ...arr2]; console.log(combined);
Which of the following uses the rest operator correctly?
What does the rest operator do?
Which operator is used to expand elements from an iterable (such as an array)?
What is the output of the following code?
var arr = [1, 2, 3]; console.log(Math.max(...arr));