I feel like I’ve almost solved the challenge, but I don’t understand why row *** won’t accept inputs[j].length
Also is there other (easier) ways to iterate over arrays inside arrays?
function uniteUnique(arr) {
var inputs = [];
var finalArray = [...arr];
for (var i = 1; i < arguments.length; i++) {
inputs.push(arguments[i]); //have function arguments in array except first one
}
for (var i = 0; i < inputs.length; i++) {
for (var j = 0; j < inputs[j].length; j++) { //***
if (arguments[0].includes(inputs[i][j]) === false) {
finalArray.push(inputs[i][j]);
}
}
}
console.log(finalArray);
//return finalArray;
}
uniteUnique([1, 3, 2], [5, 2, 1, 4], [2, 1]);
Link to the challenge:
learn . freecodecamp . org /javascript-algorithms-and-data-structures/intermediate-algorithm-scripting/sorted-union