Arrays Javascript (CodeCademy)
Quiz
•
Computers
•
9th - 12th Grade
•
Practice Problem
•
Medium
Thomas Maher
Used 22+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What surrounds an array?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
array = [2,0,3,5,4] What is the length of this array?
5
4
0
125.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which definition below best describe an array?
An array is a function identifier that can hold more than one parameter.
An array is a beam of light.
An array is a special variable, which can hold more than one value at a time.
An array is a special function, which can hold more than one value at a time.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is proper syntax for declaring a array in JavaScript?
const arrayName =[ ];
let arrayName[ ] ={ };
array arrayName ={ };
obj var arrayName =[ ];
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How would you change the first element in an array?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
array = [1,2,3,4,5];
What is the highest position in this array?
HINT: Remember arrays start at position 0!
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What property tells you how many items are in an array?
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