COMP3421-RetakeAssessment

Which of the following is NOT a type of JavaScript loop?

•  For loop

• While loop

• do-while loop

• do...for

What is the purpose of the "this" keyword in JavaScript?

• To refer to the global scope

• To refer to the parent scope

• To refer to the current scope

• To refer to the window object

1. What is the output of the following JS code?

2. let x = 5;

3. let y = 10;

4. x = y++;

5. console.log(x);

• 5

• 10

• 11

• 6

Which of the following is a way to declare a function in JavaScript?

• function myFunction() { /* body */}

• let myFunction = function() { /* body */}

• const myFunction = () => { /* body */ }

• All of the given options

What is the output of this JS code?

let x = 3, y = 2;

let result = (x > y) ? x : y;

console.log(result);

• 3

• 2

• "x > y"

• "y < x"

what is the datatype of 'x' in following code?

const x = 42;

• String

• Number

• Boolean

• Undefined

What is the output of following JS code?

let x = 5 + 2 + "7";

console.log(x);

• 7

• 14

• 77

• 527

What is the purpose of the z-index property in CSS?

• To control the stacking order of elements on the z-axis.

• To control the transparency of elements.

• To control the rotation of elements.

• To control the position of elements on the x-y plane.

What is the difference between margin and padding in CSS?

• margin is used to create space outside the element, padding is used to create space inside the element.

• margin is used to control the size of the element, padding is used to control the size of the content.

• margin is used to control the position of the element, padding is used to control the position of the content.

• There is no difference, they both control the spacing around an element.

What is the purpose of the ::before and ::after pseudo-elements in CSS?

• To apply styles to the hover and active states of an element.

• To style the first and last characters of an element.

• To target the first and last child elements of a parent.

• To add content before and after an element.