FINAL - Intro to Programming

What is the primary purpose of the return statement in a JavaScript function?

• To terminate the program execution
• To send a value back from the function
• To print output to the console
• To declare a new variable

In JavaScript, which operator is used to check if two values are not equal?

• <>
• !=
• /=
• ^=

What will be the output of the following code? let num = 8; if (num % 2 == 0) { console.log("Even"); } else { console.log("Odd"); }

• Odd
• 8
• Even
• Error

How many iterations will this loop execute? for (let i = 0; i < 10; i += 2)

• 10
• 2
• 4
• 5

Which of the following is a key characteristic of variables declared with let?

• They cannot be modified after declaration
• They have global scope only
• They can be reassigned new values
• They must be initialized with a number

What will this code output? let name = "Alex"; console.log("Hello, " + name);

• Hello, name
• Alex, Hello
• Hello, Alex
• "Hello, " + name

Which arithmetic operator has precedence in this expression: 6 + 3 * 2?

• Addition
• Multiplication
• Both are equal
• Neither

What is the correct way to define a function with no parameters in JavaScript?

• function[] myFunction
• function myFunction{}
• function myFunction(){}
• myFunction = function

What will this loop print? for (let i = 1; i <= 3; i++) { console.log(i * 2); }

• 1 2 3
• 2 4 6
• 3 6 9
• 1 3 5

Which is a valid Boolean expression in JavaScript?

• "true"
• x + y
• score >= 90
• print(true)