Question 56

A developer has a formatName function that takes two arguments, firstName and lastName and returns a string. They want to schedule the
function to run once after five seconds.
What is the correct syntax to schedule this function?
  • Question 57

    A developer creates a class that represents a blog post based on the requirement that a
    Post should have a body author and view count.
    The Code shown Below:
    Class Post {
    // Insert code here
    This.body =body
    This.author = author;
    this.viewCount = viewCount;
    }
    }
    Which statement should be inserted in the placeholder on line 02 to allow for a variable to be set
    to a new instanceof a Post with the three attributes correctly populated?
  • Question 58

    Refer to the code below:

    What is the value of result after line 10 executes?
  • Question 59

    Refer to the following array:
    Let arr1 = [ 1, 2, 3, 4, 5 ];

    Which two lines of code result in a second array, arr2 being created such that arr2 is not
    a reference to arr1?
  • Question 60

    A developer wants to set up a secure web server with Node.js. The developer creates a
    directory locally called app-server, and the first file is app-server/index.js
    Without using any third-party libraries, what should the developer add to index.js to create the
    secure web server?