angularjs - Hide div when there are no result due to a filter -

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how can know when there no results display due filter?

<input type="text" class="form-control" ng-model="search" placeholder="search...">  <div ng-show="contents.length !== 0">   <h2>contents</h2>     <div class="panel panel-default" ng-repeat="content in contents | filter:search">       <div class="panel-heading">         <h3 class="panel-title">{{content.title}}</h3>       </div>       <div class="panel-body">{{content.description}}</div>     </div> </div>

see solution working in plunker

simply using trick.

 ng-show="(contents | filter:search).length !== 0"

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