angular 4 tutorial javatpoint
Is angular a JavaScript framework?
Angular is a framework for building client applications in HTML, CSS, and either JavaScript or a language like TypeScript that can be compiled (more accurately, transpiled) to JavaScript. If you have never worked with TypeScript before, don’t worry. I will give you the basics in order to complete this tutorial. What is TypeScript?
What is angular 4 Tutorial?
Our Angular 4 Tutorial is designed for beginners and professionals both. Angular is a JavaScript framework which makes you able to create reactive Single Page Applications (SPAs). This is a leading front-end development framework which is regularly updated by Angular team of Google. Angular 4 is completely based on components.
Which version of angular should I use?
This tutorial includes Angular 4 introduction and features, Angular 4 components, Angular 4 directives, databinding, event binding, property binding, modules, templates, pipes, services, routing etc. Angular 4 has now been Angular 7. So, it is recommended to use the latest version of Angular.
What Is Angular 8?
Angular 8 is a client-side TypeScript based framework which is used to create dynamic web applications. It is very similar to its previous versions except having some extensive features. javatpoint.com
New Features of Angular 8
The Angular community has released its latest version Angular 8 with an impressive list of changes and improvements including the much awaited Ivy compiler as an opt-in feature. These are the most prominent features of Angular 8: 1. Angular 8 supports TypeScript 3.4 2. Angular 8 supports Web Workers 3. The new compiler for Angular 8 is Ivy Renderin
Escript 3.4
Angular 8 supports TypeScript 3.4 and it is required to run your Angular 8 project. So you have to upgrade your TypeScript version to 3.4. javatpoint.com
Web Workers Class
JavaScript is single threaded, so it is common for more critical tasks like data calls to take place asynchronously. Web Workers facilitates you to run the CPU intensive computations in the background thread, freeing the main thread to update the user interface. Web workers can also be helpful, if your application is unresponsive while processing d
More About Ivy and Bazel
Ivy is the new rendering engine and Bazel is the new build system. Both are ready for proper use with Angular 8. The preview of these two should be available shortly. Ivy is a new compiler/runtime of Angular and Angular 8 is a first release to offer a switch to opt-in into Ivy officially. Ivy is supposed to be a by default rendering engine in Angul
Dynamic Imports For lazy-loaded Modules
Angular 8 facilitates you to use standard dynamic import syntax instead of a custom string for lazy-loaded modules. It means lazy-loaded import that looked like this: Will be looked like this: javatpoint.com
Improved Angular CLI Workflow
The Angular CLI is continuously improving. Now, the ng build, ng test and ng run are equipped by 3rd-party libraries and tool. For example, AngularFire already makes use of these new capabilities with a deploycommand. javatpoint.com
Prerequisite For Angular 8 Tutorial
You must have installed Node.js version > 10. NPM will be updated also because it will be used by default. Here, I am using Node version 12.4.0You must have installed MongoDB on your system. You can see how to install MongoDB. Click here
Workflow of Angular 8 Tutorial
Here, we will create two separate projects: One for front end (in Angular) and one for backend (in Node.js Express MongoDB). We will also create a backend API which will be used by frontend. Here, we use the following technologies: 1. Node: 12.4.0 2. Angular CLI: 8.0.2 3. NPM: v12.4.0 4. MongoDB shell version v4.0.10 5. MongoDB version v4.0.10
Create An Angular 8 Project
Let's create an Angular 8 project by using the following command: Here, angular8projectis the name of the project. javatpoint.com
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