ng-click
HTML
<body>
<div ng-app="myApp" ng-controller="myCtrl">
<button ng-click="count = count + 1">Click Me!</button>
{{ count }}
<br>
<br>
<button ng-click="addCount()">Add Count</button>
{{var}}
</div>
JavaScript
var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
$scope.count = 0;
$scope.var = 0;
$scope.addCount = function(){
$scope.var = $scope.var + 1 ;
}
});