[Hall] Javascript Arrays

Front

What is first index value of an array?

Back

0

Front

What symbol surrounds the data in an array? Options: Quotations "..", Curly Brackets {..}, Parenthesis (...), Square Brackets [...]

Back

Square Brackets [...]

Front

What is the length of myArray? var myArray = [1,2,3,4,5]

Back

5

Front

What is proper syntax for declaring a array in JavaScript?

Back

var arrayName =[ ];

Front

What is the highest index in myArray?
var myArray = [1,2,3,4,5];

Back

4

Front

What property tells you how many items are in an array? Options: .length, .count, .items, .num

Back

.length

Front

Which of these lines of code show how to validly store an array with 3 items? Options: var nums = [42, 3, 7];, var nums = 3, 42, 7;, var nums = [3];, var nums = (3, 42, 7);

Back

var nums = [42, 3, 7];

Front

What is the highest index in myArray?
var myArray = [1,2,3,4];

Back

3

Front

What is the length of myArray? var myArray = [1,2,3,4];

Back

4

Front

What is the name of the value that denotes an element of an array?

Back

index