So there we have it, the basics of figuring out errors in simple JavaScript programs. It won't always be that simple to work out what's wrong in your code, but at least this will save you a few hours of sleep and allow you to progress a bit faster when things don't turn out right, especially in the earlier stages of your learning journey....editor, we'll find this line: js guessSubmit.addeventListener("click"...you'll see the following code: js lowOrHi.textContent = "Last guess...