function solution(s) {
return s.split(" ").map((word) => word.split("").map((alphabet, idx) => idx % 2 === 1 ? alphabet.toLowerCase() : alphabet.toUpperCase()).join("")).join(" ");
}
function toWeirdCase(s){
return s.toUpperCase().replace(/(\w)(\w)/g, function(a){return a[0].toUpperCase()+a[1].toLowerCase();})
}