title: Update a specific record in Firebase using angularJS
body: <p>How I can access the whole object where phoneNo = 222 and update its lang and lat</p>
  
  <pre><code>  var db = new Firebase("myFB/names");
   names {
      -K7VQBTELD4FQE1HL1U{
         phoneNo: 111,
         long: 126,
         lat: 458
       }
  
      -K7WJGBTELD4FQ1EHL1U{
         phoneNo: 222,
         long: 547,
         lat: 951
    }
  }
  </code></pre>