AngularJS ng-click Directive
Example
Increase the count variable by one, each time the button is clicked:
    <button ng-click="count = count + 1" ng-init="count=0">OK</button>
  
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Definition and Usage
The ng-click directive tells AngularJS what to do when an HTML 
element is clicked.
Syntax
    <element ng-click="expression"></element>
Supported by all HTML elements.
Parameter Values
| Value | Description | 
|---|---|
| expression | An expression to execute when an element is clicked. | 
More examples
Example
Execute a function, in AngularJS, when a button is clicked:
    <body ng-app="myApp">
<div ng-controller="myCtrl">
    
    <button ng-click="myFunc()">OK</button>
    
    <p>The button has been clicked {{count}} times.</p>
</div>
    <script>
    angular.module('myApp', [])
.controller('myCtrl', ['$scope', 
    function($scope) {
    $scope.count = 0;
    
    $scope.myFunc = function() {
        
    $scope.count++;
    };
}]);
</script>
</body>
  
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