Practice Web Design JavaScript Quiz

What keyword do you need to use to define a variable in JavaScript?

• variable
• int
• let
• x

What is the proper function to call to print to the console?

• write("Your Message");
• console.log("Your Message");
• print("Your Message");
• log("Your Message");
• console.print("Your Message");

What function do you need to call to ask the user of the program to enter text?

• prompt()
• console.log()

The following program results in an error when run. Choose the option below that will fix it and result in the message, “Greetings!” to be printed to the screen.function main() { consolelog(Greetings!);}main();

• Add quotes around the message, Greetings!.
• Add a period in between the words console and log.
• Change consolelog to print.
• Both options 1 and 2 need to be addressed in order to print the message to the screen.

What is printed to the screen in the program below?let hobby = "bird watching";document.write("I like to go " + hobby);

• I like to go bird watching
• I like to go hobby
• I like to go + hobby
• "I like to go " + hobby

Which of the options below is a correct way to declare a variable and assign it a value?

• let amount = 4;
• let amount; amount = 4;
• Both options A and B are valid ways to declare a variable and assign it a value.
• Neither options A or B are valid ways to declare a variable and assign it a value

Why do we write functions?

• To make our code easier to understand by giving a readable name to a group of instructions
• To avoid writing repeated code
• To make our code reusable
• All of the above

What will the following code print to the screen?document.write(2 + 2);

• 4
• 22
• 2+2
• Nothing

What symbol do you use to do division in JavaScript?

• %
• /
• //
• *

What would the following program print? let rate = 5; let amount = 4; document.write(rate * amount);

• rate * amount
• 5 * 4
• 9
• 20