It is homework1
Install it:
npm install jsmp-infra-vnmzk to install my package
Run npm build to compile code from ES6 to ES5
updateString takes a string as an argument and returns a mirrored string;
updateString('test'); return 'tset'
updateArray takes array, one argument(number) and other arguments and return array with modification.
updateArray([1, 2, 3, 4, 5, 6]); return [ [ 1, 2, 3 ], [ 4, 5, 6 ] ] updateArray([1, 2, 3, 4, 5, 6], 5); return [ 1, 2, 3, 4, 5], [6] ] updateArray([0, 0, 0], 10, 2, 'test', { num: 10 }); return [1, 1, 1]