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$new() or $ in angularjs

Are AngularJs controllers singletons ?

AngularJs code-sample

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

app.controller('singletonTest', function ($scope, singletonService) {
    $ = singletonService.getValue();

app.service('singletonService', function () {
    var field = {
        value: 'hello Anil'
    var getValue = function () {
        return val;
    return {
        getValue: getValue

HTML code

<div ng-app="singletonApp">
    <div ng-controller="singletonTest">
            <input type="text" ng-model="name.value" />


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