Algorithms and Data Structures implemented in JavaScript for beginners, following best practices.
/**
* A short example showing how to reverse a string.
*/
function ReverseStringIterative (string) {
if (typeof string !== 'string') {
throw new TypeError('The given value is not a string')
}
let reversedString = ''
let index
for (index = string.length - 1; index >= 0; index--) {
reversedString += string[index]
return reversedString
* JS disallows string mutation so we're actually a bit slower.
*
* @complexity O(n)
function ReverseStringIterativeInplace (string) {
const _string = string.split('')
for (let i = 0; i < Math.floor(_string.length / 2); i++) {
const first = _string[i]
_string[i] = _string[_string.length - 1 - i]
_string[_string.length - 1 - i] = first
return _string.join('')
export { ReverseStringIterative, ReverseStringIterativeInplace }
