jshint -- plain

source/assets/javascripts/locastyle/_track-events.js: line 8, col 7, Possible strict violation.
source/assets/javascripts/locastyle/_track-events.js: line 9, col 19, Possible strict violation.
source/assets/javascripts/locastyle/_track-events.js: line 12, col 7, Possible strict violation.

without config. congig when we have gem to jshint