Index Shuffle

Published by Helen Yu in
loopsstrings

Write a function that takes all even-indexed characters and odd-indexed characters from a string and concatenates them together.

To illustrate:

indexShuffle("abcd") ➞ "acbd"
// "ac" (even-indexed) + "bd" (odd-indexed)

Examples

indexShuffle("abcdefg") ➞ "acegbdf"

indexShuffle("holiday") ➞ "hldyoia"

indexShuffle("maybe") ➞ "myeab"

Notes

0 should be treated as an even number.

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