js--function-heading-3-re

js--function-heading-3-re is a variable defined in `js.el'.
Its value is

"^\\s-*\\(?:var\\s-+\\)?\\([a-zA-Z_$]\\(?:\\s_\\|\\sw\\)*\\(?:\\.[a-zA-Z_$]\\(?:\\s_\\|\\sw\\)*\\)*\\)\\s-*=\\s-*function\\_>"

• This variable may be risky if used as a file-local variable.

Documentation:
Regexp matching a line in the JavaScript form "var MUMBLE = function".
Match group 1 is MUMBLE.