Karel CodeHS JS Quiz

What is a function in Karel CodeHS javascript?

• A function in Karel CodeHS javascript is a comment that explains the code

• A function in Karel CodeHS javascript is a loop that repeats a set of instructions

• A function in Karel CodeHS javascript is a variable that stores a single value

• A function in Karel CodeHS javascript is a block of code that performs a specific task and can be reused throughout the program.

How do you define a function in Karel CodeHS javascript?

• functionName(parameters) { // function definition }

• functionName(parameters) { // function body }

• functionName(parameters) { // code block }

• function functionName(parameters) { // function body }

• functionName(parameters) // function body

What are conditional statements used for in Karel CodeHS javascript?

• Conditional statements are used to display messages to the user in Karel CodeHS javascript.

• Conditional statements are used to perform mathematical calculations in Karel CodeHS javascript.

• Conditional statements are used to create loops in Karel CodeHS javascript.

• Conditional statements are used to make decisions based on certain conditions in Karel CodeHS javascript.

Give an example of a conditional statement in Karel CodeHS javascript.

• while (frontIsClear()) { move(); }

• if (frontIsClear()) { move(); }

• if (leftIsClear()) { move(); }

• if (beepersPresent()) { pickBeeper(); }

What is the purpose of loops in Karel CodeHS javascript?

• The purpose of loops in Karel CodeHS javascript is to repeat a block of code multiple times.

• Loops in Karel CodeHS javascript are designed to create new functions.

• The purpose of loops in Karel CodeHS javascript is to play sounds.

• Loops in Karel CodeHS javascript are used to change the robot's appearance.

Explain the difference between 'for' and 'while' loops in Karel CodeHS javascript.

• The 'for' loop is used for a specific number of iterations, while the 'while' loop is used for indefinite iterations based on a condition.

• Both 'for' and 'while' loops in Karel CodeHS javascript are used for indefinite iterations based on a condition.

• The main difference between 'for' and 'while' loops in Karel CodeHS javascript is that 'for' loops are used for a specific number of iterations, while 'while' loops are used for indefinite iterations based on a condition.

• The 'for' loop is used for indefinite iterations based on a condition, while the 'while' loop is used for a specific number of iterations.

What is debugging in Karel CodeHS javascript?

• Debugging is the process of adding more errors to the code.

• Debugging is the process of ignoring errors in the code.

• Debugging is the process of deleting the code entirely.

• Debugging is the process of finding and fixing errors in the code.

How can you debug your code in Karel CodeHS javascript?

• Add extra semicolons to your code

• Use print() statements to debug

• Ignore error messages and run the code blindly

• Use console.log() statements to output values and check the flow of your program.

When do you use if/else statements in javascript?

• When you want to confuse the code

• When you feel like it

• When the moon is full

• When you need to execute different code based on a condition.

Provide an example of an if/else statement in Karel CodeHS javascript.

• if (beepersPresent()) { pickBeeper(); } else { putBeeper(); }

• if (frontIsClear()) { move(); } else { turnLeft(); }

• if (facingNorth()) { turnRight(); } else { turnLeft(); }

• if (leftIsClear()) { move(); } else { turnRight(); }