Answers for "reverse a string program"

how to reverse a string

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

Reverse a string

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

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

reverse a string

//////////////////////////////////////
function reverse(str) {
  if(!str || str.length<2 || typeof str !== 'string'){
    return 'hmmm that is not good...';
  	}
  return str.split('').reverse().join('');
}

//////////////////////////////////////
function reverse(str) {
  let n = str.length;
  let s = '';
  for (let i = n - 1; i >= 0; i--) {
    s += str[i];
  }
  console.log(s);
}
reverse('Hello'); // olleH

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"