Try it Yourself: AngularJS Services

AngularJS Services

<!DOCTYPE html>
<html>
<head>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script>
</head>
<body>

<script>
var app = angular.module("myApp", []);

app.service("hexafy", function() {
  this.myFunc = function(num) {
    return num.toString(16);
  };
});
</script>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script>
</head>
<body>

<script>
var app = angular.module("myApp", []);

app.service("hexafy", function() {
  this.myFunc = function(num) {
    return num.toString(16);
  };
});
</script>

</body>
</html>