Understanding While Loops in JavaScript

What is the purpose of a "while" loop in JavaScript?

• To repeat code a specific number of times

• To execute code as long as a condition is true

• To print values to the console

• To create a function

What is the correct syntax for a "while" loop in JavaScript?

• while { condition } ( code )

• while(condition){ code }

• loop while(condition) { code }

• while code { condition }

What will happen if the condition in a "while" loop is never false?

• The loop will stop immediately

• The loop will execute once

• The program will enter an infinite loop

• The program will throw an error

What does the following code output? ```javascript var i = 5; while(i > 0) { println(i); i--; } ```

• 5, 4, 3, 2, 1

• 4, 3, 2, 1, 0

• 5, 4, 3, 2, 1, 0

• 0, 1, 2, 3, 4

What is a potential danger when using "while" loops in JavaScript?

• Syntax errors

• Creating infinite loops

• Missing semicolons

• Slow performance

In the code snippet below, what is missing to avoid an infinite loop?

( var i = 10; while(i >= 0) {

println(i); }

• A decrement operation for i

• A semicolon after println(i)

• An increment operation for i

• A boolean condition

What does the condition in a "while" loop evaluate to?

• A string

• A number

• A boolean (true/false)

• An array

What keyword is used to immediately stop a "while" loop, even if the condition is still true?

• exit

• stop

• break

• continue

What will the following code output?

var i = 0;

while(i < 3) {

println("Hello");

}

• "Hello" three times

• Infinite "Hello"

• "Hello" once

• Error in the code

How does a "while" loop differ from a "for" loop?

• A "while" loop does not use conditions

• A for loop executes a fixed number of times, while a while loop runs as long as its condition evaluates to true.

• A "while" loop is only used for infinite loops

• They are exactly the same