How It WorksPricing🔥Interactive Engineering Learning🤩 Free Career AdviceAboutContact
Log In
Add to Slack

Data Structures Magic Quiz

Test your knowledge of Data Structures by answering this quiz!
Question about JavaScript Basics I

Given the following array:

var arr = [1, 2, 3, 4, 5, 6, 7]

Which of the following is not a valid way to get the last element of the array?

  • arr[-1]

  • arr[6]

  • arr[arr.length-1]

How do you stack up?
My Progress
Percentage of Total Answers Correct
0 / 0

Breakdown by Tag
0 / 0
0 / 0
Not sure about the answer? Check out:
JavaScript Basics ILast updated today
View Learning

How It Works