Code.org CSP Unit 5 Lists

Front

Which vocabulary word is: a common method for referencing an element in a list using a number to indicate its position

Back

index

Front

Match the index with the value: var myNumbers = [32, 64, 33, 0, 15, 26, 3]. What is myNumbers[4]?

Back

15

Front

//Consider this code:
var list = [10, 12, 14, 16, 18];
appendItem(list, 20);
removeItem(list, 0);
//What is printed to the console?
console.log(list[list.length - 1]);

Back

20

Front

//Consider this code:
var list = [10, 12, 14, 16, 18];
appendItem(list, 3);
//What is printed to the console?
console.log(list[list.length-1]);

Back

3

Front

//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] );

Back

3

Front

An array is;

Back

Lists of data

Front

array = [1,2,3,4,5]
What is the length of this array?

Back

5

Front

What is proper syntax for declaring a array in JavaScript?

Back

var arrayName =[ ];

Front

How would you change the first element in an array? Options: nums[1] = "New!";, nums = "New!";, var nums[1] = "New!";, nums[0] = "New!";

Back

nums[0] = "New!";

Front

array = [1,2,3,4,5]; What is the highest position in this array? HINT: Remember arrays start at position 0!

Back

4