For some reason this code returns true for [“hello”, “hey”] but it passes every other test and I don’t understand why
**Your code so far**
function mutation(arr) {
let pre = arr[0].toLowerCase().split("");
//console.log(pre);
let post = arr[1].toLowerCase().split("");
//console.log(post);
if (pre.includes(...post)) {
return true;
} else {
return false;
}
}
mutation(["hello", "hey"]);
**Your browser information:**
User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.114 Safari/537.36
Challenge: Mutations
Link to the challenge: