title: AngularJS orderBy not working
body: <p>i am facing some weird issue in ordeBy, i know this should be very simple but couldn't make out</p>
  
  <p>Please look at a below plunker, where the <code>orderBy</code> by <code>value</code> not showing correct output, i don't no why :(</p>
  
  <p><a href="http://plnkr.co/edit/ClfT3QEbyj9ku0Lf8k7u?p=preview" rel="nofollow"><strong>DEMO PLUNKER</strong></a></p>