Question 26

Refer to the code snippet below:
Let array = [1, 2, 3, 4, 4, 5, 4, 4];
For (let i =0; i < array.length; i++)
if (array[i] === 4) {
array.splice(i, 1);
}
}
What is the value of array after the code executes?
  • Question 27

    developer creates a new web server that uses Node.js. It imports a server library that uses events and callbacks for handling server functionality.
    The server library is imported with require and is made available to the code by a variable named server. The developer wants to log any issues that the server has while booting up.
    Given the code and the information the developer has, which code logs an error at boost with an event?
  • Question 28

    In the browser, the window object is often used to assign variables that require the broadest scope in an application Node.js application does not have access to the window object by default.
    Which two methods are used to address this ?
    Choose 2 answers
  • Question 29

    The developer wants to test the array shown:
    const arr = Array(5).fill(0)
    Which two tests are the most accurate for this array ?
    Choose 2 answers:
  • Question 30

    Which two code snippets show working examples of a recursive function?
    Choose 2 answers