javascript string reverse
"this is a test string".split("").reverse().join(""); //"gnirts tset a si siht" // 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)}`; // Example reverse('hello world'); // 'dlrow olleh'
