Javascript source code analysis ( specifically duplication checking )

Question

Partial duplicate of this

Notes: I already use JSLint extensively via a tool I wrote that scans in intervals my current project directory for recently updated/create

Answer 1

You may want to have a look at jsinspect.

jsinspect ./src

It will print a list of code blocks that are either identical or structurally very similar.

And there's also jscpd.