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Angular CLI vs AngularJS: What are the differences?

Introduction:

Angular CLI and AngularJS are both popular frameworks for building web applications. While they both share similar names and are used for developing web applications, there are some key differences between the two. In this article, we will explore the key differences between Angular CLI and AngularJS.

1. Angular CLI:

Angular CLI is a command-line tool that is used for creating, building, and managing Angular applications. It provides a set of commands that can be used to scaffold a new Angular project, generate components, modules, services, and more. Angular CLI is based on Angular, which is a complete rewrite of AngularJS.

2. AngularJS:

AngularJS is a JavaScript-based open-source front-end web application framework developed by Google. It is designed to make it easier to build dynamic web applications. AngularJS uses two-way data binding, which allows changes in the model to automatically reflect in the view, and vice versa.

3. Difference in Architecture:

One of the key differences between Angular CLI and AngularJS is the difference in architecture. Angular CLI is based on Angular, which is a complete rewrite of AngularJS. Angular uses a component-based architecture where the application is built using components, whereas AngularJS uses a directive-based approach.

4. Difference in Performance:

Angular CLI is known for its improved performance compared to AngularJS. Angular CLI uses Ahead-of-Time (AOT) compilation, which compiles the template during the build process and generates highly optimized JavaScript code. This results in faster initial load times and better overall performance.

5. Difference in Learning Curve:

Angular CLI has a steeper learning curve compared to AngularJS. Angular CLI introduces new concepts and features that are not present in AngularJS. Developers who are familiar with AngularJS may need to spend some time learning and adapting to the new concepts and features introduced in Angular CLI.

6. Difference in Community Support:

Angular CLI has a larger and more active community compared to AngularJS. As Angular CLI is based on Angular, which is the newer version of AngularJS, it has gained popularity and has a larger community of developers contributing to its development and providing support.

In Summary, Angular CLI is a command-line tool based on Angular, providing improved performance, a steeper learning curve, and a larger community compared to AngularJS.

Advice on Angular CLI and AngularJS
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AngularJSAngularJSReactReact
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Vue.jsVue.js

What is the best MVC stack to build mobile-friendly, light-weight, and fast single-page application with Spring Boot as back-end (Java)? Is Bootstrap still required to front-end layer these days?

The idea is to host on-premise initially with the potential to move to the cloud. Which combo would have minimal developer ramp-up time and low long-term maintenance costs (BAU support)?

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Replies (3)
Carolyne Stopa
Full Stack Developer at Contabilizei · | 10 upvotes · 603.2K views
Recommends
on
Vue.jsVue.js

React might be a good option if you're considering a mobile app for the future, because of react native. Although, Vue.js has the easiest learning curve and offers a better developer ramp-up time. Vue.js is great to build SPAs, very clean and organized and you won't have a lot of long-term maintenance problems (like AngularJS, for example). Bootstrap can still be used, but with flexbox there's no need anymore.

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Chaitanya Chunduri
Recommends
on
ReactReact

I recommend React because of less memory occupant compare to Angular, but this will depend on your organisation flexibility. When you use React you need to import different libraries as per your need. On the other side angular is a complete framework.

Performance-wise I vote for react js as it loads up quickly and lighter on the mobile. You can make good PWA with SSR as well.

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Recommends
on
ReactReact

If you are new to all three react will be a good choice considering, react-native will be useful if you want to build cross platform mobile application today or tomorrow. If you are talking about bootstrap styling framework than it's a choice you can style ur components by ur self or use bootstrap 4.0 framework. The complete stack mentioned above is platform agnostic u can run it anywhere you want be it cloud or on-premise.

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Decisions about Angular CLI and AngularJS
Kamaleshwar BN
Senior Software Engineer at Pulley · | 10 upvotes · 656.3K views

It was easier to find people who've worked on React than Vue. Angular did not have this problem, but seemed way too bloated compared to React. Angular also brings in restrictions working within their MVC framework. React on the other hand only handles the view/rendering part and rest of the control is left to the developers. React has a very active community, support and has lots of ready-to-use plugins/libraries available.

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José Oberto
Head of Engineering & Development at Chiper · | 14 upvotes · 570K views

It is a very versatile library that provides great development speed. Although, with a bad organization, maintaining projects can be a disaster. With a good architecture, this does not happen.

Angular is obviously powerful and robust. I do not rule it out for any future application, in fact with the arrival of micro frontends and cross-functional teams I think it could be useful. However, if I have to build a stack from scratch again, I'm left with react.

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John Clifford de Vera
Software Engineer at CircleYY · | 21 upvotes · 435.7K views

I used React not just because it is more popular than Angular. But the declarative and composition it gives out of the box is fascinating and React.js is just a very small UI library and you can build anything on top of it.

Composing components is the strongest asset of React for me as it can breakdown your application into smaller pieces which makes it easy to reuse and scale.

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Dennis Ziolkowski
Migrated
from
AngularJSAngularJS
to
AngularAngular

I was first sceptical about using Angular over AngularJS. That's because AngularJS was so easy to integrate in existing websites. But building apps from scratch with Angular is so much easier. Of course, you have to build and boilerplate them first, but after that - you save a ton of time. Also it's very cozy to write code in TypeScript.

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Simon Reymann
Senior Fullstack Developer at QUANTUSflow Software GmbH · | 24 upvotes · 4.9M views

Our whole Vue.js frontend stack (incl. SSR) consists of the following tools:

  • Nuxt.js consisting of Vue CLI, Vue Router, vuex, Webpack and Sass (Bundler for HTML5, CSS 3), Babel (Transpiler for JavaScript),
  • Vue Styleguidist as our style guide and pool of developed Vue.js components
  • Vuetify as Material Component Framework (for fast app development)
  • TypeScript as programming language
  • Apollo / GraphQL (incl. GraphiQL) for data access layer (https://apollo.vuejs.org/)
  • ESLint, TSLint and Prettier for coding style and code analyzes
  • Jest as testing framework
  • Google Fonts and Font Awesome for typography and icon toolkit
  • NativeScript-Vue for mobile development

The main reason we have chosen Vue.js over React and AngularJS is related to the following artifacts:

  • Empowered HTML. Vue.js has many similar approaches with Angular. This helps to optimize HTML blocks handling with the use of different components.
  • Detailed documentation. Vue.js has very good documentation which can fasten learning curve for developers.
  • Adaptability. It provides a rapid switching period from other frameworks. It has similarities with Angular and React in terms of design and architecture.
  • Awesome integration. Vue.js can be used for both building single-page applications and more difficult web interfaces of apps. Smaller interactive parts can be easily integrated into the existing infrastructure with no negative effect on the entire system.
  • Large scaling. Vue.js can help to develop pretty large reusable templates.
  • Tiny size. Vue.js weights around 20KB keeping its speed and flexibility. It allows reaching much better performance in comparison to other frameworks.
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Julius alvarado

It is a complete waste of time and life to learn a different framework to solve the same problem (Both AngularJS and Angular build A+ UI's, but both require a lot of time to learn). It's dumb to spend 200 hours learning AngularJS, then 200 hours learning Angular when you could spend 200 hours learning AngularJS and 200 hours learning how to solve a different problem (like AI/ML, Data Science, AR/VR, Digital Marketing, etc.)

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Jonas Stendahl

React has by far and away been our most important library choice throughout the history of Sellpy. It is a library that offers great flexibility supported by a really strong core. The React team is doing incredible work bringing quality features to the core project and tons of quality third party libraries fill in the gaps.

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Manuel Schoebel

When first used Angular, the documentation was horrible and also the construct of Angular super academic and hard to learn (back in 2014). When evaluating React it was way easier getting stated even though its html in js (jsx) approach was very different. After some time we really started to like the co-location and component based model. If you architect well, you will have a component completely in one file including js/html/css.

We solely focus on one technology for frontend development. The reason for that is, that offering customers excellent services we need to be up to date on all developments of the framework but also its community and vast amount of packages. Reading blogs, newsletters, podcasts and so on. You will realistically only be able to be really good at one, so thats for us: React!

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Pros of Angular CLI
Pros of AngularJS
    Be the first to leave a pro
    • 889
      Quick to develop
    • 589
      Great mvc
    • 573
      Powerful
    • 520
      Restful
    • 505
      Backed by google
    • 349
      Two-way data binding
    • 343
      Javascript
    • 329
      Open source
    • 307
      Dependency injection
    • 197
      Readable
    • 75
      Fast
    • 65
      Directives
    • 63
      Great community
    • 57
      Free
    • 38
      Extend html vocabulary
    • 29
      Components
    • 26
      Easy to test
    • 25
      Easy to learn
    • 24
      Easy to templates
    • 23
      Great documentation
    • 21
      Easy to start
    • 19
      Awesome
    • 18
      Light weight
    • 15
      Angular 2.0
    • 14
      Efficient
    • 14
      Javascript mvw framework
    • 14
      Great extensions
    • 11
      Easy to prototype with
    • 9
      High performance
    • 9
      Coffeescript
    • 8
      Two-way binding
    • 8
      Lots of community modules
    • 8
      Mvc
    • 7
      Easy to e2e
    • 7
      Clean and keeps code readable
    • 6
      One of the best frameworks
    • 6
      Easy for small applications
    • 5
      Works great with jquery
    • 5
      Fast development
    • 4
      I do not touch DOM
    • 4
      The two-way Data Binding is awesome
    • 3
      Hierarchical Data Structure
    • 3
      Be a developer, not a plumber.
    • 3
      Declarative programming
    • 3
      Typescript
    • 3
      Dart
    • 3
      Community
    • 2
      Fkin awesome
    • 2
      Opinionated in the right areas
    • 2
      Supports api , easy development
    • 2
      Common Place
    • 2
      Very very useful and fast framework for development
    • 2
      Linear learning curve
    • 2
      Great
    • 2
      Amazing community support
    • 2
      Readable code
    • 2
      Programming fun again
    • 2
      The powerful of binding, routing and controlling routes
    • 2
      Scopes
    • 2
      Consistency with backend architecture if using Nest
    • 1
      Fk react, all my homies hate react

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    Cons of Angular CLI
    Cons of AngularJS
      Be the first to leave a con
      • 12
        Complex
      • 3
        Event Listener Overload
      • 3
        Dependency injection
      • 2
        Hard to learn
      • 2
        Learning Curve

      Sign up to add or upvote consMake informed product decisions

      What is Angular CLI?

      A command-line interface tool that you use to initialize, develop, scaffold, and maintain Angular applications. You can use the tool directly in a command shell, or indirectly through an interactive UI such as Angular Console.

      What is AngularJS?

      AngularJS lets you write client-side web applications as if you had a smarter browser. It lets you use good old HTML (or HAML, Jade and friends!) as your template language and lets you extend HTML’s syntax to express your application’s components clearly and succinctly. It automatically synchronizes data from your UI (view) with your JavaScript objects (model) through 2-way data binding.

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      What are some alternatives to Angular CLI and AngularJS?
      Webpack
      A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders" modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
      Angular
      It is a TypeScript-based open-source web application framework. It is a development platform for building mobile and desktop web applications.
      npm
      npm is the command-line interface to the npm ecosystem. It is battle-tested, surprisingly flexible, and used by hundreds of thousands of JavaScript developers every day.
      React
      Lots of people use React as the V in MVC. Since React makes no assumptions about the rest of your technology stack, it's easy to try it out on a small feature in an existing project.
      gulp
      Build system automating tasks: minification and copying of all JavaScript files, static images. More capable of watching files to automatically rerun the task when a file changes.
      See all alternatives