JavaScript Coding Quiz

What is a variable in JavaScript?

• A section of the website

• A way to store information that can be used later

• A type of function

• A loop that runs forever

Which of the following is the correct way to declare a variable in JavaScript?

• `var myVariable = "Hello, World!";`

• `variable myVariable = "Hello, World!";`

• `myVariable: "Hello, World!";`

• `declare myVariable = "Hello, World!";`

What is a function in JavaScript?

• A piece of code that can be called by other parts of your program

• A variable that stores numbers

• A loop that executes a set number of times

• An error message

How do you call (invoke) a function named `myFunction` in JavaScript?

• `call myFunction();`

• `myFunction[];`

• `myFunction();`

• `function myFunction();`

Which of the following is a loop structure in JavaScript?

• `if`

• `for`

• `var`

• `function`

What does the following loop do? `for(var i = 0; i < 5; i++) { console.log(i); }`

• Prints the numbers 1 to 5

• Prints the numbers 0 to 4

• Prints the numbers 0 to 5

• Causes an infinite loop

What is an object in JavaScript?

• A loop that runs a specific number of times

• A function that performs a calculation

• A collection of properties

• A type of variable that stores numbers only

How do you access the value of a property named `color` in an object named `car`?

• `car[color];`

• `car.color;`

• `car->color;`

• `color(car);`