Reverse String JavaScript Leetcode 344 | Easy Leetcode Question | Two Pointer Solution

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Write a function that reverses a string. The input string is given as an array of characters char[].

Do not allocate extra space for another array, you must do this by modifying the input array in-place with O(1) extra memory.

You may assume all the characters consist of printable ascii characters.

Example 1:

Input: ["h","e","l","l","o"]
Output: ["o","l","l","e","h"]
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this should be required viewing for CS students aiming for internships I swear

thebluechimera
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Thanks, your videos are always helpful!

One question: Are there any drawbacks to using a for-loop for this solution? E.g. where s[i] would be the left and s[s.length-i] is the right variable, and the for condition is i < (s.length - i)

HeatRisen
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Hello, I am new in algorithm and this so helpful thank you !! Just a question, this won't return anything right ? how can we run our function to return the reverse string ? thank you again

zara.k