JavaScript Control Structures Review

What is the syntax for an if-else statement in JavaScript?

How many times will a for loop iterate if the condition is 'i < 5' and the initial value of i is 0?

• 5

• 1

• 0

• 2

What is the purpose of a while loop in JavaScript?

• To skip a block of code

• To execute a block of code only once

• To repeatedly execute a block of code as long as a specified condition is true.

• To terminate the execution of a loop

Which logical operator is used to combine two or more conditions and returns true if all conditions are true?

• OR

• NOT

• XOR

• AND

What is the output of the following code? var x = 5; var y = 10; if (x > y) { console.log('x is greater than y'); } else if (x < y) { console.log('x is less than y'); } else { console.log('x is equal to y'); }

What is the syntax for a for loop in JavaScript?

What is the purpose of an if-else statement in JavaScript?

• To define a function in JavaScript

• To repeat a code block multiple times

• To assign a value to a variable in JavaScript

• To execute different code blocks based on a condition

Which logical operator is used to combine two or more conditions and returns true if at least one condition is true?

• OR

• AND

• XOR

• NOT

What is the output of the following code? var i = 0; while (i < 5) { console.log(i); i++; }

What is the purpose of a conditional operator in JavaScript?

• The purpose of a conditional operator in JavaScript is to perform different actions based on different conditions.

• The purpose of a conditional operator in JavaScript is to execute a block of code repeatedly.

• The purpose of a conditional operator in JavaScript is to define a function.

• The purpose of a conditional operator in JavaScript is to perform mathematical calculations.