angular

// html
<button ng-click="hello">Click here</button>

<div>
    <ng-repeat"name in users">
        {{name}}
</div>

//maincontroller.js

app.controller('mainController',function($scope,$http) {
    $scope.users = {}

    $scope.hello = function() {
        $http.get('http://localhost:3000/api/users')
        .success(function(data) {
            $scope.users = data;
        }).catch(function(error) {
            console.error(error);
        });
    }
});