CODE EXAMPLE FOR JAVASCRIPT

Reverse string

// Reverse string

function reverseString(str) {
	let reverseStr = '';
	let i = str.length - 1;

	while (i >= 0) {
		reverseStr += str[i];
		console.log(reverseStr);
		i--;
	}
	return reverseStr;
}
reverseString('hello');

// OR

function reverseString(str) {
	for (var reversedStr = '', i = str.length - 1; i >= 0; i--) {
		reversedStr += str[i];
	}
	return reversedStr;
}

// OR

function reverseString(str( {
	result = ""
  	for (i = 0; i < str.length; i++) {
  		result = str[i] + result
  	}
  	return result 
}

// OR

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