JavaScript Unit 4 Test Control Structures Questions and Answers Graded A+

JavaScript Unit 4 Test Control Structures
Questions and Answers Graded A+
What will be the output of the following code?

```js

let x = 5;

if (x > 3) {

console.log("Hello");

} else {

console.log("Goodbye");

}

```

A) Goodbye

B) Nothing


✔✔ C) Hello


D) Error




Which loop is best when the number of iterations is known?

A) while

1

,✔✔ B) for


C) do...while

D) switch




What does the `break` statement do in a loop?

A) Skips to the next iteration


✔✔ B) Exits the loop immediately


C) Repeats the current iteration

D) Throws an error




What is the purpose of a `continue` statement?


✔✔ A) Skips the current iteration and moves to the next


B) Exits the loop

C) Pauses the loop

D) Restarts the loop




Which keyword is used to define a condition in JavaScript?


✔✔ A) if


2

, B) loop

C) switch

D) case




How many times will this loop run?

```js

for (let i = 0; i < 5; i++) {

console.log(i);

}

```


✔✔ A) 5


B) 4

C) Infinite

D) 0




What will be the result of the following statement?

```js

console.log(5 > 3 && 2 < 1);


3