Edit in JSFiddle

<div data-ng-app>
  <div>
      <h2>orderBy: helps in sorting data</h2> <br/>     
{{
[
 {'id':4,'name':'delhi'},
 {'id':2,'name':'mumbai'},
 {'id':3,'name':'goa'},
 {'id':1,'name':'chennai'}
]|orderBy:'id'}} <br/> <br/>     
      <h2>Pass true to reverse the sort</h2><br/>
{{
[
 {'id':4,'name':'delhi'},
 {'id':2,'name':'mumbai'},
 {'id':3,'name':'goa'},
 {'id':1,'name':'chennai'}
]|orderBy:'id':true}}  
      <br/>
      <h2>Sorting on strings</h2> <br/>
  {{['bangalore','delhi','goa','chennai']|orderBy:'toString()'}}
  </div>
</div>