AngularJS vs Angular (Angular 2+)

🧩 1. Architecture

Feature AngularJS (v1.x) Angular (v2+)
Pattern MVC (Model-View-Controller) Component-based architecture
Main Building Block Controllers, Scope, Directives Components, Modules, Services
Data Binding Two-way data binding One-way and two-way data binding (more controlled)

⚙️ 2. Language

Feature AngularJS Angular
Language Used JavaScript (ES5) TypeScript (superset of JavaScript)
Type Safety No static typing Strongly typed with TypeScript

⚡ 3. Performance

Feature AngularJS Angular
Speed Slower due to digest cycle and watchers Faster due to improved change detection and Ahead-of-Time (AOT) compilation
Mobile Support Poor Designed with mobile support in mind

🧠 4. Dependency Injection

Feature AngularJS Angular
DI Implementation Limited and less flexible Fully-fledged, hierarchical dependency injection system

🎨 5. UI & Templates

Feature AngularJS Angular
Templates Written in plain HTML with directives (ng-model, ng-repeat) HTML + Angular syntax (*ngFor, [(ngModel)])
Directive Syntax ng- prefix *, [], and () syntax

🧱 6. Modularity

Feature AngularJS Angular
Modules No built-in module system Uses Angular Modules (NgModule)
Code Organization Hard to scale large apps Easily scalable with modules and lazy loading

🔄 7. Routing

Feature AngularJS Angular
Router ngRoute or ui-router Angular Router (powerful and feature-rich)
Lazy Loading Not supported Supported for better performance

🧩 8. Tools & Build System

Feature AngularJS Angular
Setup Simple script include CLI-based setup using Angular CLI
Build Tools None (manual setup) Built-in tooling for build, test, deploy

🧰 9. Testing

Feature AngularJS Angular
Testing Framework Jasmine, Karma Jasmine, Karma, Jest (more modern support)

🗓️ 10. Version History

Feature AngularJS Angular
Initial Release 2010 2016
Current Status Discontinued (End of Support: Dec 2021) Actively maintained and updated

💬 Summary

Aspect AngularJS Angular
Architecture MVC Component-based
Language JavaScript TypeScript
Performance Slower Faster
Scalability Limited High
Support Deprecated Actively supported

✅ In short:

  • AngularJS → Old framework, JavaScript-based, not suitable for large modern apps.

  • Angular (2+) → Modern framework, TypeScript-based, modular, fast, and scalable.

Comments

Post a Comment

Popular posts from this blog

SonarQube With Angular 19 on Windows: A Complete Setup and Integration Guide

  Welcome to my detailed tutorial on integrating  SonarQube  with an  Angular 19  project on  Windows ! This video will guide you through the installation and configuration process for SonarQube to analyze your code quality and improve the development workflow. In this step-by-step guide, we’ll set up the required software, configure the necessary tools, and integrate  SonarQube  with an  Angular 19  project. Whether you're a beginner or an experienced developer, this tutorial will help you understand how to run effective code analysis using SonarQube. Here is my youtube link ::::  https://youtu.be/PvwvgoMrngk What You Will Learn: In this tutorial, we will cover the following key steps: Installing Required Software:  Before starting, we need a few software installations: SonarQube:  Used for analyzing code quality and identifying issues such as bugs, vulnerabilities, and code smells. SonarScanner:  A tool used to send...
Read more

SwiftUI - Tutorial 2 - 🧵 Understanding @MainActor in SwiftUI — A Beginner’s Guide

  🧵 Understanding @MainActor in SwiftUI — A Beginner’s Guide When you start building iOS apps with SwiftUI , sooner or later you’ll run into this warning: ⚠️ “Publishing changes from background threads is not allowed; make sure to publish values from the main thread (via operators like receive(on:)) on model updates.” Sounds scary? Don’t worry 🙂 This is exactly where @MainActor comes to the rescue. 🔹 What is @MainActor ? In Swift, an actor is like a traffic controller that makes sure only one thing accesses a resource at a time. The @MainActor is a special actor provided by Swift that guarantees the code it marks will always run on the main thread . And that’s important because in iOS development: UI updates must always happen on the main thread. 🔹 Why do we need @MainActor in SwiftUI? SwiftUI automatically refreshes the UI when your @Published properties change. But if those changes happen on a background thread (for example, after fetching data from ...
Read more

Setting Up Jenkins for Flutter App on macOS

Image
Introduction: In this blog post, we will walk through the process of setting up Jenkins on macOS to automate the building and testing of your Flutter applications. Jenkins is a popular open-source automation tool that helps to integrate and automate various stages of your Flutter app's development lifecycle. Way 1: Pipeline Flow For setting up Jenkins with a pipeline flow, you can refer to the following Stack Overflow discussion to resolve issues like "Flutter not found":  Flutter Jenkins Flutter not found issue https://stackoverflow.com/questions/75422046/flutter-jenkins-flutter-not-found-issue Step 1: Install Jenkins on macOS First, we need to install Homebrew if you don't have it already. Open your terminal and run the following command: /bin/bash -c " $(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh) " After Homebrew is installed, run the following command to install Jenkins: brew install jenkins-lts Include Screenshot: I...
Read more