Angular Add/Delete Element

https://docs.angularjs.org/guide/expression

by Zuhaib Siddiqui

HTML

<div ng-app="expressionExample">

<div ng-controller="ExampleController" class="expressions">
  Expression:
  <input type='text' ng-model="expr" size="80"/>
  <button ng-click="addExp(expr)">Evaluate</button>
  <ul>
   <li ng-repeat="expr in exprs track by $index">
     [ <a href="" ng-click="removeExp($index)">X</a> ]
     <code>{{expr}}</code> => <span ng-bind="$parent.$eval(expr)"></span>
    </li>
  </ul>
</div>

</div>

JavaScript

angular.module('expressionExample', [])
.controller('ExampleController', ['$scope', function($scope) {
  var exprs = $scope.exprs = [];
  $scope.expr = '3*10|currency';
  $scope.addExp = function(expr) {
    exprs.push(expr);
  };

  $scope.removeExp = function(index) {
    exprs.splice(index, 1);
  };
}]);

/* it('should allow user expression testing', function() {
  element(by.css('.expressions button')).click();
  var lis = element(by.css('.expressions ul')).all(by.repeater('expr in exprs'));
  expect(lis.count()).toBe(1);
  expect(lis.get(0).getText());
});
*/