
[Hall] Javascript Arrays
Flashcard
•
Computers
•
5th Grade
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
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18 questions
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1.
FLASHCARD QUESTION
Front
What is first index value of an array?
Back
0
2.
FLASHCARD QUESTION
Front
What symbol surrounds the data in an array? Options: Quotations "..", Curly Brackets {..}, Parenthesis (...), Square Brackets [...]
Back
Square Brackets [...]
3.
FLASHCARD QUESTION
Front
What is the length of myArray? var myArray = [1,2,3,4,5]
Back
5
4.
FLASHCARD QUESTION
Front
What is proper syntax for declaring a array in JavaScript?
Back
var arrayName =[ ];
5.
FLASHCARD QUESTION
Front
What is the highest index in myArray?
var myArray = [1,2,3,4,5];
Back
4
6.
FLASHCARD QUESTION
Front
What property tells you how many items are in an array? Options: .length, .count, .items, .num
Back
.length
7.
FLASHCARD QUESTION
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];
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