Tell us what’s happening:
Why this is not working ?
Your code so far
function mutation(arr) {
var word1 = arr[0].toLowerCase;
var word2 = arr[1].toLOwerCase;
for (var i=0;i<word2.length;i++){
var value = word1.indexOf(word2[i]);
if (value === -1){
return false;
}
}
return true;
}
mutation(["hello", "hey"]);
Your browser information:
Your Browser User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.108 Safari/537.36
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Link to the challenge: