4. minification of js

[ITHelpself]

var app = angular.module('mainApp', []);
app.controller('FirstController', function($scope) {
$scope.name= 'Hello World !';
});

[ITHelpself]

err

var app=angular.module("mainApp",[]);app.controller("FirstController",function(e){e.name= 'Hello
World !'})

[ITHelpself]

var app = angular.module('mainApp', []);
app.controller('FirstController', ['$scope', function($scope) {
$scope.message = 'Hello World !';
}]);

[ITHelpself]

FirstController.$inject = ['$scope'];
var FirstController = function($scope) {
$scope.message = 'Hello World !';
}
var app = angular.module('mainApp', []);
app.controller('FirstController', FirstController);

[ITHelpself]

var app=angular.module("mainApp",[]);app.controller("FirstController",["$scope",function(a){a.message=" Hello World !"}]);