Question 156

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 157

    Universal Containers recently launched its new landing page to host a crowd-funding campaign. The page uses an external library to display some third-party ads. Once the page is fully loaded, it creates more than 50 new HTML items placed randomly inside the DOM, like the one in the code below:

    All the elements includes the same ad-library-item class, They are hidden by default, and they are randomly displayed while the user navigates through the page.
  • Question 158

    Universal Containers recently launched its new landing page to host a crowd-funding campaign. The page uses an external library to display some third-party ads. Once the page is fully loaded, it creates more than 50 new HTML items placed randomly inside the DOM, like the one in the code below:

    All the elements includes the same ad-library-item class, They are hidden by default, and they are randomly displayed while the user navigates through the page.
  • Question 159

    Refer to the code below:
    Function Person(firstName, lastName, eyecolor) {
    this.firstName =firstName;
    this.lastName = lastName;
    this.eyeColor = eyeColor;
    }
    Person.job = 'Developer';
    const myFather = new Person('John', 'Doe');
    console.log(myFather.job);
    What is the output after the code executes?
  • Question 160

    A developer has an ErrorHandler module that contains multiple functions.
    What kind of export be leverages so that multiple functions can be used?