Ng-Mousedown

HTML

<script src="http://code.angularjs.org/1.1.0/angular.min.js"></script>
<div ng-app="alert" ng-controller="homeCtrl">
    Your name: <input type="text" ng-model="name"/>
    <hr/>
    Hello {{name || "World"}}!
    <div style="border:1px solid red;" ng-mousedown="alert();">
        ng-mousedown
    </div>
</div>

JavaScript

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

app.controller('homeCtrl', function ($scope) {
    $scope.alert = function () {
        alert('x');
    };

})