JavaScript

ngOnInit(): void {

      this.activatedRoute.params.subscribe((parms: any) => {
          if (parms.lang) {
              this.loading = true;


           this.http._get(GLOBALS.url+"/api/GetPageHTML/Page2/"+parms.lang).subscribe(data => this.pageHTML = data[0]['puslHTML']);



          } else {
              this.loading = true;

            this.http._get(GLOBALS.url+"/api/GetPageHTML/Page2/"+parms.lang).subscribe(data => this.pageHTML = data[0]['puslHTML']);
               }

      });


  }

parms.lang

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

//service style, probably the simplest one
myApp.service('helloWorldFromService', function() {
    this.sayHello = function() {
        return "Hello, World!";
    };
});

//factory style, more involved but more sophisticated
myApp.factory('helloWorldFromFactory', function() {
    return {
        sayHello: function() {
            return "Hello, World!";
        }
    };
});

angular.module('myApp').service('helloService',function($timeout){
  this.sayHello=function(name){
    $timeout(function(){
      alert('Hello '+name);
    },2000);
  }
});

angular.module('myApp').controller('TestController',
  function(helloService){
  helloService.sayHello('AngularJS'); // Alerts Hello AngularJS
});

<div ng-controller="FirstCtrl">
  <input type="text" ng-model="data.firstName">
  <br>Input is : {{data.firstName}}
</div>
<hr>
<div ng-controller="SecondCtrl">
  Input should also be here: {{data.firstName}}
</div>

myApp.factory('MyService', function(){
  return {
    data: {
      firstName: '',
      lastName: ''
    },
    update: function(first, last) {
      // Improve this method as needed
      this.data.firstName = first;
      this.data.lastName = last;
    }
  };
});

// Your controller can use the service's update method
myApp.controller('SecondCtrl', function($scope, MyService){
   $scope.data = MyService.data;

   $scope.updateData = function(first, last) {
     MyService.update(first, last);
   }
});

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

myApp.factory('Data', function(){

    var service = {
        FirstName: '',
        setFirstName: function(name) {
            // this is the trick to sync the data
            // so no need for a $watch function
            // call this from anywhere when you need to update FirstName
            angular.copy(name, service.FirstName); 
        }
    };
    return service;
});


// Step 1 Controller
myApp.controller('FirstCtrl', function( $scope, Data ){

});

// Step 2 Controller
myApp.controller('SecondCtrl', function( $scope, Data ){
    $scope.FirstName = Data.FirstName;
});