Question 1

The minimum JavaScript online development environment will consist of:(Select two correct answers)

Options :

A : a forum for developers to exchange information only

B : an online code editor

C : an interactive page with JavaScript documentation

D : the runtime environment

Answer: B,D

Question 2

The result of the operation false || "false" will be:

Options :

A : false

B : true

C : false

D : 0

Answer: A

Question 3

Analyze the following code:let x = false || true;let y = "true" && "false";let z = false && true;console.log(`${x} ${y} ${z}`);What will appear in the console as a result of its execution?

Options :

A : false false false

B : true false false

C : false false true

D : false true true

Answer: B

Question 4

Analyze the following code:let x = 10;function test() { let x = 20;} test();console.log(x);What will be displayed in the console as a result of its execution?

Options :

A : 10

B : undefined

C : Nothing will show up.

D : "x"

Answer: A

Question 5

The msg variable contains a String type value.Information about the number of characters of this string can be obtained using:

Options :

A : msg.length

B : msg.length()

C : msg.charsAt()

D : msg.chars

Answer: A

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