Tell us what’s happening:
I can not access to array element???
example: arr[0][1] does not return anything!
Your code so far
function uniteUnique(arr) {
return arr[0][1];
}
uniteUnique([1, 3, 2], [1, [5]], [2, [4]]);
Your browser information:
Your Browser User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36
.
Link to the challenge:
https://www.freecodecamp.org/challenges/sorted-union