Look into Behavior Driven Development, this is a methodology designed explicitly to prevent the problem you are experiencing.
If you really want to learn programming, I recommend https://eloquentjavascript.net/ , this book is targeted at beginners but has enough rigor to give you a good base. JavaScript is also lingua-franca of web development. It is also a much simpler language than JavaScript with a smaller learning curve.
If you really want to learn programming, I recommend https://eloquentjavascript.net/ , this book is targeted at beginners but has enough rigor to give you a good base. JavaScript is also lingua-franca of web development. It is also a much simpler language than JavaScript with a smaller learning curve.