{"id":59575,"date":"2018-05-02T15:19:25","date_gmt":"2018-05-02T09:49:25","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?p=59575"},"modified":"2024-04-12T14:13:19","modified_gmt":"2024-04-12T08:43:19","slug":"angular-core-concepts","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/angular-core-concepts\/","title":{"rendered":"Angular Core Concepts"},"content":{"rendered":"<h1>Angular Core Concepts<\/h1>\n<p>The basic building blocks of an Angular application are <em>NgModules<\/em>, which provide a compilation context for <em>components<\/em>. NgModules collect related code into functional sets; an Angular app is defined by a set of NgModules. An app always has at least a <em>root module<\/em> that enables bootstrapping, and typically has many more <em>feature modules<\/em>.<\/p>\n<ul>\n<li>Components define <em>views<\/em>, which are sets of screen elements that Angular can choose among and modify according to your program logic and data. Every app has at least a root component.<\/li>\n<li>Components use <em>services<\/em>, which provide specific functionality not directly related to views. Service providers can be <em>injected<\/em> into components as <em>dependencies<\/em>, making your code modular, reusable, and efficient.<\/li>\n<\/ul>\n<p>Both components and services are simply classes, with <em>decorators<\/em> that mark their type and provide metadata that tells Angular how to use them.<\/p>\n<ul>\n<li>The metadata for a component class associates it with a <em>template<\/em> that defines a view. A template combines ordinary HTML with Angular <em>directives<\/em> and <em>binding markup<\/em> that allow Angular to modify the HTML before rendering it for display.<\/li>\n<li>The metadata for a service class provides the information Angular needs to make it available to components through <em>Dependency Injection (DI)<\/em>.<\/li>\n<\/ul>\n<p>An app&#8217;s components typically define many views, arranged hierarchically. Angular provides the <code><a class=\"code-anchor\" href=\"https:\/\/angular.io\/api\/router\/Router\">Router<\/a><\/code> service to help you define navigation paths among views. The router provides sophisticated in-browser navigational capabilities.<\/p>\n<p class=\"VSKILLbodytext\">IT Professionals, Web Developers, web programmers, IT students can use the below links to be updated on Angular 4<\/p>\n<ul>\n<li class=\"VSKILLbodytext\"><a href=\"https:\/\/www.vskills.in\/practice\/skills\/Web-Development\/Angular-4\" target=\"_blank\" rel=\"noopener\">Practice Test for Angular4 <\/a><\/li>\n<li class=\"VSKILLbodytext\"><a href=\"https:\/\/www.vskills.in\/certification\/web-development\/angular-4-certification\" target=\"_blank\" rel=\"noopener\">Govt Certification in Angular 4<\/a><\/li>\n<li><a href=\"https:\/\/www.vskills.in\/certification\/blog\/\">Blog posts on Angular 4 and Web Development<\/a><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/web-development\/angular-4\/\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-55483 size-full\" src=\"http:\/\/www.vskills.in\/certification\/tutorial\/wp-content\/uploads\/2017\/05\/Back-Arrow.jpg\" alt=\"Angular 4 Tutorial Index\" width=\"47\" height=\"52\" \/>Back to Angular 4 Tutorial Main Page <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Angular Core Concepts The basic building blocks of an Angular application are NgModules, which provide a compilation context for components. NgModules collect related code into functional sets; an Angular app is defined by a set of NgModules. An app always has at least a root module that enables bootstrapping, and typically has many more feature&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[7230,7231,5743],"tags":[7221,7227,7235,7236,7257,7256,7226,7234,7232,7223,7233],"class_list":["post-59575","page","type-page","status-publish","hentry","category-angular-2","category-angular-4","category-web-development","tag-angular","tag-angular-4","tag-angular-4-tutorial","tag-angular-cli","tag-angular-core","tag-angular-core-concepts","tag-angular-js","tag-angular-js-tutorial","tag-angular-tutorial","tag-angularjs","tag-angularjs-tutorial"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Angular Core Concepts - Tutorial<\/title>\n<meta name=\"description\" content=\"Learn and know Angular Core Concepts: The basic building blocks of an Angular application are NgModules. 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