What's wrong with my for loop?

Question

class Add {
constructor(...words) {
this.words = words;
}
//your code goes here
print() {
let x = ""
for (let word of this.words) {
if (word == this.words.length - 1) {
x += "

Answer 1

What do you not like about this cycle?

Answer 2

It outputs nothing in sololearn's JavaScript ECMA6 practice test

Answer 3

You don't have a $ sign at the end, and you're too clever with the code, no conditional expressions are needed here.