https://www.codewars.com/kata/57ee4a67108d3fd9eb0000e7/train/javascripthttps://www.codewars.com/kata/5899dc03bc95b1bf1b0000ad/train/javascript

Solution 1:-
function gooseFilter(birds) {
var geese = ["African", "Roman Tufted", "Toulouse", "Pilgrim", "Steinbacher"];
return birds.filter(item => !geese.includes(item));
};
Solution 2:--
function invert(array) {
return array.map((elm) => {
return elm >= 0 ? -Math.abs(elm) :...