Example to reverse a string in JS

reverse-string.js

// given a string 'Hello my name is John.'
// reverse it
// output should be '.nhoJ si eman ym olleH

const s = 'Hello my name is John.';

function reverseString(string) {
  string = string.split('');
  string.reverse();
  return string.toString('').replace(/,/g, '');
}

const reverseStringES6 = str => [...str].reverse().join('');

console.log(reverseStringES6(s));

// Solution Results...
// Solution time complexity: O(1)
// Solution space complexity: O(1)