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Friday, 27 April 2018

What is the advantage of Angular JS ?

What is the advantage of Angular JS?

Putting a light on outstanding features of Angular 1.x, which are not only advantageous for Angular JS Development Company but also it augmented enterprise's web solutions.
1. Similar to MVVM Structure
MVC (Model-View-Controller) generally incorporates a structure where developers split an application into separate MVC components and then reunite them with essential code. But Angular JS follows the different standard which is alike MVVM (Model-View-View-Model) design structure. Developers just divide the app and further all steps are automatically performed to unite them.
2. Templates
Though templates are written in HTML, it possesses Angular 1.x specific attributes and elements. These templates render dynamic view for the web application.
· Directive boots existing DOM element or display a reusable DOM component.
· The double curly brace notation {{ }} is used to join expressions to elements built-in AngularJS Markup.
· Filter setups data for display.
· Authenticate user input with Form controls.
The following code snippet shows a template with directives and curly-brace expression bindings
  1. <html ng-app>
  2. <!-- Body tag augmented with ngController directive -->
  3. <body ng-controller="TestController">
  4. <input ng-model="xyz" value="test">
  5. <!-- Button tag with ngClick directive, and string expression 'buttonText' wrapped in "{{ }}" markup -->
  6. <button ng-click="changeXyz()">{{buttonText}}</button>
  7. <script src="angular.js">
  8. </body>
  9. </html>
In a simple app, the template consists of HTML, CSS, and AngularJS directives contained in just one HTML file (usually index.html).
3. Cross Platform
Angular web development supports progressive web apps, native mobile apps, and desktop app development. With such cross-platform supporting feature, web apps with high performance and supporting various platforms can be built.
4. Two Way Data-Binding
Two-way data binding means any modification in view will reflect in a model and vice-versa. Angular JS creates a bridge between model and view, so the change in one of them will immediately be reflected in another one. an ng-model directive is used to bind two-way data binding.
Speed and Performance
Three components play a vital role to amplify speed and performance.
· It serves universal platform for the first view of a web application. This also optimizes the site for search engine optimization (SEO).
· With Angular JS, templates are automatically converted into code, That is, a developer can also perform the task with hand-written code, which also helps in faster execution.
· New Component Router supports automatic code splitting. This renders the view quickly and decreases the page loading time.
6. Dependency Injection
An out-of-box feature of Angular JS called - Dependency Injection let developer craft an application which is easy to develop, simple to understand and uncomplicated to test. The developer just needs to add service as a parameter, so the Angular JS will accordingly cater an instance to you.
  1. function EditCtrl($scope, $location, $routeParams) {
  2. // Something clever here...
  3. }
You can also define your own custom services and make those available for injection as well.
module('MyTestModule', []).
factory('notify', ['$window', function (win) {
return function (msg) {
function testController(scope, notifyService) {
scope.callNotify = function (msg) {
testController.$inject = ['$scope', 'notify'];
7. Directives
Directives allow Angular developers to create new custom widgets from custom HTML tags. Directives also come up with an extensive feature with which elements can be enhanced with behavior and can mold DOM attributes in an engaging manner. Here is a simple example of a directive that listens for an event and updates it's $scope, accordingly.
myModule.directive('testComponent', function(mySharedService) {
return {
restrict: 'E',
controller: function($scope, $attrs, mySharedService) {
$scope.$on('handleBroadcast', function() {
$scope.message = 'Directive: ' + mySharedService.message;
replace: true,
template: '<input>'
Then, you can use this custom directive, like below:
  1. <test-component ng-model="message"></testlstsbr-component>
8. Testing
AngularJS is formulated completely from the ground up to be testable. It even comes with an end-to-end and unit test runner setup.
Summing up
With AngularJS web development solutions, the solution outcome is incredibly interactive along with fast single page sites and web-based mobile applications. With the coming up of Angular JS, developers got an easy way out of developing a solution with extended features and businesses receive cutting-edge web solution, which amplified their user reach. ANGULAR JS frees developers from many tedious coding techniques. Angular JS is highly preferable and trending web technology in today’s era.

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