Tell us what’s happening:
Your code so far
function mutation(arr) {
for (var i=0; i<arr.length;i++){
arr[i]=arr[i].toLowerCase();
}
for (var j=0;j<=arr[1].length;j++){
if (arr[0].indexOf(arr[1][j]) == -1){
return false;
}
else {
return true;
}
}
}
mutation(["hello", "hey"]);
Your browser information:
Your Browser User Agent is: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) coc_coc_browser/66.4.134 Chrome/60.4.3112.134 Safari/537.36
.
Link to the challenge: