let toBeReversed: string = `.eslaf eb t'ndluow ecnetnes siht ,dehctiws erew eslaf dna eurt fo sgninaem eht fI`;

let charArray: string[] = toBeReversed.split('');
console.log(charArray);

let reverseArray: string[] = charArray.reverse();
console.log(reverseArray);

let reversedArray: string = reverseArray.join('');
console.log(reversedArray);

output:

If the meanings of true and false were switched, this sentence wouldn't be false.