Answers for "reversee a string by -1"

Reverse a string

function reverseString(str) {
    return str.split('').reverse().join('');
}

reverseString('string');    // "gnirts"

reverse a string

let t = s.chars().rev().collect::<String>();

reverse the string

#!/bin/bash
input="$1"
reverse=""
len=${#input}
for (( i=$len-1; i>=0; i-- ))
do 
	reverse="$reverse${input:$i:1}"
done
echo "$reverse"