Code.org functions

Which of the following is true regarding naming functions? 

• Function names can be reused multiple times
• A function name should be as descriptive as possible to indicate what the function does.
• Function names should be organized alphabetically
• The function name should begin with a number that indicates the order in which it should be executed.

What is the correct format to define a function?

Note: The name of the Function is "multiplyBy2"

• multiplyBy2();

• function multiplyBy2(){

  //steps to execute function

  }

• function multiplyBy2

• multiplyBy2{5}{

  //steps of function

  }

How do you call a function in JavaScript?
(assume the function name is doStuff)

• function doStuff()
• doStuff()
• doStuff();
• function do Stuff(){
  //list of steps to execute
  }

His name is Fred and he is less than 16 years old

• if (name = "fred" && age < 16 )

• if (name === "fred" && age < 16 )

• if (name = "fred" || age < 16 )

• if (name === "fred" || age < 16 )

Repeat something 10 times

• repeat 10

• for (var i=0; i<10; i++)

• repeat { } until 10;

• while (i = 10)

How many times will the following code print "Welcome to Java"?
int count = 0;
while (count < 10) {
 System.out.println("Welcome to Java");
 count++;
}

• 8
• 9
• 10
• 0

In a loop that runs from 0 to 9. What goes in the blank space?

var i;

for ( i= 0 ; i < ___ ; i++ ) {

console.log (i);

}

• 10

• 9

• 5

• 4

Arithmetic Operators
What is ++ ?

• Modulo
• increment
• Decrement
• Addition

What symbol represents the or operator in JavaScript?

• OR

• or

• ||

• |

Which of the following is not true about functions?

• Functions are reusable programming abstractions

• Functions can reduce complexity of writing and maintaining programs

• Functions cannot make calls to other functions within the same program

• Once defined, a function can be called many times from different parts of the program.