This is my life. I have the best intentions but when my kids wake me up in the night, or won't go to bed easily, or any number of things that don't go according to "plan" all bets are off.
Both of those developers asked the community for money. They should have asked the companies that use their projects directly. I world imagine they'd hey far better results that way.
Become very familiar with your browser of choice's Developer Tools. In most of them you can set breakpoints in your JS, add watches to your code, among many other useful debugging techniques.
Also, two monitors will make your life 1000x easier.