Daily JavaScript Challenge: Calculate Total of Even Indexed Elements
Hey fellow developers! 👋 Welcome to today's JavaScript coding challenge. Let's keep those programming skills sharp!
The Challenge
Difficulty: Easy
Topic: Array Manipulation
Description
Create a function that takes an array of integers and returns the sum of all elements that are positioned at even indices (index 0, 2, 4, etc.).
Ready to Begin?
- Fork this challenge
- Write your solution
- Test it against the provided test cases
- Share your approach in the comments below!
Want to Learn More?
Check out the documentation about this topic here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array
Join the Discussion!
- How did you approach this problem?
- Did you find any interesting edge cases?
- What was your biggest learning from this challenge?
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This is part of our Daily JavaScript Challenge series. Follow me for daily programming challenges and let's grow together! 🚀
Top comments (1)
arr.reduce((accumulator, currentValue, index) => (accumulator + (index & 1 ? 0 : currentValue)));