rules for jshint command-line utility.

.jshintrc

{
  "curly": true,
  "eqeqeq": true,
  "forin": true,
  "camelcase": true,
  "immed": true,
  "indent": 2,
  "latedef": true,
  "newcap": true,
  "quotmark": "single",
  "strict": true,
  "trailing": true,
  "maxparams": 3,
  "maxdepth": 3,
  "maxlen": 80
}