Reverse a string

JavaScript

const reverse = (str) => str.split('').reverse().join('')

// Or
const reverse = (str) => [...str].reverse().join('')

// Or
const reverse = (str) => str.split('').reduce((rev, char) => `${char}${rev}`, '')

// Or
const reverse = (str) => (str === '' ? '' : `${reverse(str.substr(1))}${str.charAt(0)}`)

TypeScript

const reverse = (str: string): string => str.split('').reverse().join('')

// Or
const reverse = (str: string): string => [...str].reverse().join('')

// Or
const reverse = (str: string): string => str.split('').reduce((rev, char) => `${char}${rev}`, '')

// Or
const reverse = (str: string): string => (str === '' ? '' : `${reverse(str.substr(1))}${str.charAt(0)}`)

Examples##

reverse('hello world') // 'dlrow olleh'