Here is the simple implementation for Calculator service. I have added two services in controller.js file from previous example and register it in app.js file.
controller.js
/* Define Service */
var appService = angular.module('appService',[]);
appService.service('mathService',function(){
this.add = function(a,b){
return a+b;
};
this.multiply = function(a,b){
return a*b;
};
});
appService.service('calculatorService', function(mathService){
this.square = function(a){
return mathService.multiply(a,a);
};
});
app.js
var configModule = angular.module('configModule',[
'ngRoute',
'phoneDetailModule',
'phoneListModule',
'appFilter',
'appService'
]);
HTML Code to invoke that service
Enter a number:
<input type="number" ng-model="number" />
<button ng-click="doSquare()">Square</button>
