Question 1

What expression will return true if 1. let shape1 = {x: 10, y: 20} and 1. let shape2 = {x: 10, y: 20} have the same property values?

Options :

A : shape1.x == shape2.y

B : (shape1.x == shape2.x) && (shape1.y == shape2.y)

C : shape1 == shape2

D : Object.keys(shape1) === Object.keys(shape2)

Answer: B

Question 2

What will be the value of result after the following code is executed?var str = "The quick brown fox";var result = str.replace(/[aeiou]/gi, '*');

Options :

A : "Th* qck brwn fx"

B : "Th* quck brwn fx"

C : "Th qck brwn fx."

D : Th* q**ck br*wn f*x

Answer: D

Question 3

What line of code should be inserted into the Product class definition to add a property price to the class?class Product { constructor(name) { this.name = name; // insert code here }}

Options :

A : price: 0;

B : this.price = 0;

C : var price = 0;

D : let price = 0;

Answer: B

Question 4

What will be the value of result after the following code is executed?var num1 = 10; var num2 = 20; var result = (num2 === 20) ? "yes" : "no";

Options :

A : 10

B : 20

C : "yes"

D : "no"

Answer: C

Question 5

What is the value of property "y" in object "point2" after the following code is executed?let point = {x: 100, y: 200}; let point2 = {...point}; point2.y = 300;

Options :

A : undefined

B : 100

C : 300

D : 200

Answer: C

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