Chrome Developer Tool: how to track the javascript function in .js files?

I am reading the code of a chat project as a demo for socket.io

The index.html include the script from socket.io.js In socket.io.js, here is a snippet:

var io;

io = Manager(source, opts);

So I want to find out the definition for Manager. What is an easiest way (alternative to F3 in Elipse) to get the definition of a function?

Unfortunately, there is no generic way to navigate to arbitrary function definitions. Pressing Ctrl+Shift+P in an editor will bring up all function definitions in the current script.

Another option is, you can evaluate Manager in the console and click the URL reference in the response console message. This should work across all sources.