title: lodash find object inside object
body: <p>i am trying to return true if object exists with</p>
  
  <pre><code>var primary={
    "RHID": {
      "type": "numeric"
    },
    "CD_DOC_ID": {
      "type": "numeric"
    },
    "SEQ": {
      "type": "numeric"
    }
  }
  
  console.log(_.contains(primary, 'RHID'))
  </code></pre>
  
  <p>But aways get false. Thanks</p>