Q3-1 Quiz Review

What does the following code do?

var scienceGrade;

• Declares the variable scienceGrade
• Initializes the variable scienceGrade
• Assigns value to the scienceGrade
• None of the above

What is the data type for the value:

true?

• String
• Integer
• Boolean
• Float

What does the following code do?

scienceGrade = 91;

• Declares the variable scienceGrade
• Initializes the variable scienceGrade
• Assigns value to the scienceGrade
• None of the above

What keyword declare a variable in JavaScript?

• variable
• var
• const
• myX

What does the following code do?

var mySum;

• Declares the variable mySum
• Initializes the variable mySum
• Assigns value to mySum
• None of the above

Which variable assignment is correct?

• myStreet= Chestnut;
• myStreet= "Chestnut";
• my Street = Chestnut St;
• All incorrect

What is the data type for:

"Student full name is"?

• String
• Integer
• Boolean
• Float

What does the following code do?

studentFirstName = "Bentley";

• Declares the variable studentFirstName
• Initializes the variable studentFirstName
• Assigns value to the studentFirstName
• None of the above

What is the data type for the value:

-12?

• String
• Integer
• Boolean
• Float

Which of the following variable names is valid according to variable naming rules?

• 1Name
• Phone#
• First Name
• phoneNumber