I write js, but I often won't run code for a long time. I put together a project, using the code almost just as notation for ideas, and then go through testing

I write js, but I often won't run code for a long time. I put together a project, using the code almost just as notation for ideas, and then go through testing everything to bring it to completion. I suspect that frequent running of code and heavy use of the debugger leads to, or at least makes it easy to write spaghetti.