AngularJS Example

HTML

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.4/angular.min.js"></script>
<body ng-app="myApp">

  <div>
  <button ng-click="nhide=true">hide</button>
  <button ng-click="nhide=false">show</button>
	</div>
  <div style="width: 50%; background-color: grey;" ng-hide="nhide">
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  </div>


</body>

CSS

.blur {
	-webkit-filter: blur(5px);
	pointer-events: none;
}

JavaScript

var app = angular.module('myApp', []);