Chrome Dev Tools hitting code but not breakpoints

Question

I have breakpoints enabled on chrome dev tools and I have a breakpoint on a line. I know chrome is hitting the line because I put the breakpoint on a line that has the following

Answer 1

The debugger; tip in Chrome javascript debugger breakpoints don't do anything? helped me find where my mistake was.

I'm working on a Rails project for the first time, and there were two versions of the file without my knowing it. Rails' "asset pipeline" used a //= require foo statement to import, and the same foo file was also included somewhere else.

The debugger; pointed me to the right place, thankfully.