Code.org List Questions

Which vocabulary word is:

a common method for referencing an element in a list using a number to indicate its position

• list

• element

• index

Which vocabulary word is:

a collection of elements

• list

• element

• index

Which vocabulary word is:

an individual value in a list that is assigned a unique index

• list

• element

• index

Match the index with the value.

var myNumbers = [32, 64, 33, 0, 15, 26, 3]

myNumbers[4]

• 64

• 15

• 0

• 32

//Consider this code:

var list = [10, 12, 14, 16, 18];

appendItem(list, 3);

insertItem(list, 2, 20);

removeItem(list, 0);

//What is printed to the console?

console.log(list);

• 10, 12, 14, 16, 18

• 10, 12, 14 , 20, 16, 18, 3

• 3, 12, 14, 20, 16, 18

• 12, 20, 14, 16, 18, 3

//Consider this code:

var list = [10, 12, 14, 16, 18];

appendItem(list, 3);

insertItem(list, 2, 20);

removeItem(list, 0);

//What is printed to the console?

console.log(list[0]);

//Consider this code:

var list = [10, 12, 14, 16, 18];

appendItem(list, 3);

insertItem(list, 2, 20);

removeItem(list, 0);

//What is printed to the console?

console.log(list.length);

//Consider this code:

var list = [10, 12, 14, 16, 18];

appendItem(list, 3);

insertItem(list, 2, 20);

removeItem(list, 0);

//What is printed to the console?

console.log(list[list.length-1]);

//Consider this code.

var listOne = [2, 1, 0];

var listTwo = [1, 2, 0];

var a = listTwo[listOne[0]];

var b = 3 - a;

//What is printed to the console?

console.log(b);

• 0

• 1

• 2

• 3

• -1

//Consider this code.

var listOne = [2, 1, 0];

var listTwo = [1, 2, 0];

//What is printed to the console?

console.log( listOne[1] + listTwo[1] );

• 0

• 1

• 2

• 3

• 4