How to call service in angularjs

by shivanisanju03 Updated: Mar 31, 2023

Guide Kit

In angularjs, the service will create a singleton instance over the angular apps and call the services using the service name in the controller. We will see how to use services in angularjs applications with examples. In angularjs, $http is the most common service in angularjs applications.

To create your service, connect your service to the module. To use your custom-made service, add it as a dependency when defining the controller.

The $scope.$apply() function executes some code and then calls $scope.$digest() after that, so all watches are checked, and the corresponding watch listener functions are called. The $apply() function is useful when integrating AngularJS with other code.

Here is an example of how to call service in angular JS

Fig: Preview of the output that you will get on running this code from your IDE.

Code

How to call service in angularjs

JavaScriptLines of Code : 27License : Strong Copyleft (CC BY-SA 4.0)

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

app.controller("ctrl", function($scope, service) {

  $scope.alert = function() {
    service.alert();
  }

  $scope.console = function() {
    service.console();
  }
})

app.service("service", function() {
  this.alert = function() {
    alert("hey")
  }

  this.console = function() {
    console.log("hey")
  }
})
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="app" ng-controller="ctrl">
  <button ng-click="alert()">alert</button>
  <button ng-click="console()">console</button>
</div>

Instructions

Follow the steps carefully to get the output easily.

Install Visual Studio Code on your computer.
Open terminal, install Angular using this command-'npm install -g @angular/cli@latest'.
In app.component.html file paste the html code
In the same html file open script tag and paste rest of the code
Save the files and open the terminal, use this command-'ng serve' to generate the output in localhost.

I found this code snippet by searching for ' How to call service in angularjs ' in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

The solution is created and tested in Visual Studio Code 1.74.1.
The solution is test in Angular CLI - 15.2.2.

Using this solution, we are able to call service in Angular with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to call service in angular JS

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