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This article is published from the DNC Magazine for Developers and Architects. Download or Subscribe to this Free magazine PDF to access all previous, current and upcoming editions. So far, three major Angular versions have been released Angular v. Angular. JS, Angular 2 and the newly released Angular 4 also known as Angular. Angular. JS has had a few major releases of its own with v. Angular v. 1. x and v. While Angular v. 1. Introduction SmartAdmin WebApp goes beyond the ordinary admin template. Its unique flat design and responsive layout is crafted one of a kind. SmartAdmin includes 7. Tutorial. How to create a nice Webserver interface for DIY projects ESP8266 Arduino with Bootstrap framework. Example Wemos D1 mini DHT22 BMP180. Angular. JS was based on an MVC architecture, Angular 2 is based on a componentservices architecture. Considering Angular was moving from MV Model View Whatever pattern to components focused approach, the framework features were very different from each other and caused many application developers to rewrite a major portion of their code base. However, Angular v. It is a rather progressive enhancement. A majority of changes are non breaking. Angular 4 was released on 2. March 1. 7. What happened to Angular v. Mono. Repo Angular 2 has been a single repository, with individual packages downloadable through npm with the angularpackage name convention. For example angularcore, angularhttp, angularrouter so on. Considering this approach, it was important to have a consistent version numbering among various packages. Hence, the Angular team skipped a major version 3. It was to keep up the framework with Angular Routers version. Doing so will help avoid confusions with certain parts of the framework on version 4, while the others on version 3. Angular 4 Enhancements. Consider the following enhancements in Angular v. This release has considerable improvements in bundle size. Some have reported up to 6. Angular bundles file size The ngc, AOT compiler for Angular and Type. Script is much faster Angular 4 is compatible with Type. Scripts newer versions 2. Type. Script release helps with better type checking and enhanced IDE features for Visual Studio Code. The changes helped the IDE detect missing imports, removing unused declarations, unintentionally missing this operator etc. This article and the code sample demonstrates an Angular 4 application using Type. Script and Bootstrap 4. Please note that Bootstrap 4 is an alpha release at the time of writing this article. Editorial Note This article assumes you are familiar with developing applications using Angular. If you are new to Angular, check some of our Angular tutorials. If you are new to Type. Script, read our Type. Script Tutorial. Getting Started with Angular 4 project Set. Up. Angular CLIAngular CLI is a preferred way to get started with an Angular project v. It not only saves time, but also makes it easy to maintain the code base during the course of the project, with features to add additional components, services, routing etc. Refer to the appendix at the end of this article for an introduction to Angular CLI. Get Angular CLI at https cli. Angular CLI latest version. Since the CLI project is available as an NPM package, so you can install angular cli globally on your system by running the following command. However if you already have Angular CLI installed and want to upgrade to the latest version of Angular CLI, run the following commands. To create a new project with Angular CLI, run the following command. Dino. Explorer. Dino. Explorer is the name of the new project. You may optionally use routing parameter to add routing to the Angular project. However, if you prefer to configure and install Angular and Webpack manually, refer to the Get started with Angular 4 manual way section in the appendix. The latest version of Angular CLI v. Angular 4. If you are using an older version, upgrade to Angular CLI. A new project created using Angular CLI now references Angular 4. Refer to figure 1. Scaffolding makes it possible to add new components, routes or services etc. Figure 1 Version details for various libraries with ng v command. Solaris Core Files Unprotected. Upgrade from Angular v. However, to upgrade an existing project to Angular 4, run following npm install commands which upgrades Angular and Type. Script on a Mac or Linux machine. It installs the latest stable version of twelve libraries including Type. Script. At the time of writing, this article uses the latest stable version for libraries which is Angular v. Type. Script v. 2. Upgrade Angular and Type. Script on a Windows machine. The command to upgrade Angular and Type. Script on a Windows machine is as follows. Add Bootstrap 4 to Angular project. Install bootstrap Alpha release using NPM. We chose a specific version to ensure future releases doesnt break the sample. Optionally, run the following command to install the latest pre release package. Once the package is downloaded, add Bootstrap references in. Modify styles configuration to add Bootstrap CSS. Modify scripts configuration to add j. Query, Bootstrap and Tether JS files. Angular 4 Code Sample. Let us explore the Angular and Bootstrap features with the code sample provided with this article. It has three views. Basic For demonstrating ng template feature using g. If directive. More details described later in the article. Dinosaur List A home page that shows dinosaur list. The list is responsive using Bootstrap 4 Alpha. Cards and the content inside align according to screen size. Random Dino Randomly picks and shows a dinosaur card. By design, the response is delayed by four seconds. This is to simulate a loading message while an observable is asynchronously retrieving data. Figure 2 Demo app with dinosaur list screen. Visual Studio Code IDEVisual Studio Code, an open source IDE from Microsoft, has good integration with Type. Script and Angular. With the new features in Type. Script 2. 2, this IDE can detect missing and unused imports, missing this operator and also allows for quick refactoring. Editorial Note If you are new to Visual Studio Code, heres a productivity guide. The Visual Studio Code extensions eco system provides many useful features. Angular 4 Type. Script Snippets is one such extension. Crack And Serial Key more. Its a collection of snippets readily available for creating a component, service, pipe, module etc. Start typing a in VS Code, and it shows list of available snippets. See figure 3 for details on Angular artifacts that we can create with the extension. Imagine we chose to create a component. Tab through to provide component selector, template file name and component class name etc. The Component skeleton file is ready to use. This is an alternative to using Angular CLI for creating a new component. Figure 3 Angular 4 Type. Script snippet extension options. Angular 4 New Features and Angular v. Differences. The following sections elaborate Angular 4 features and certain differences with Angular 2. Template changes to ng template. If you are upgrading from Angular 2. Angular 4, all template elements have to change to ng template. The following code will result in a warning. Ifis. Visible Conditional statement lt template Template parse warnings The lt template element is deprecated. Use lt ng template instead Refactor it to. Ifis. Visible Conditional statement lt ng template Type. Scripts Strict Null Check options is around the corner. In Type. Script 2.