shuffle('orange'); // oarnge

shuffle('code'); // coed

shuffle('javascript'); // jcarviapst

shuffle('hello world'); // h ewlolrol do

function shuffle(baseString) {

let arr = baseString.split('');

const func = (array) => {

let mid =

(array.length / 2);

let shuffled = [];

for (let i = 0, j = mid; j < array.length; i++, j++) {

shuffled.

(array[i], array[j]);

}

return array.length % 2 === 0

? shuffled

:

(array[mid - 1]);

};

arr = func(arr);

return arr.join('');

}