what is the difference between components and directives?
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Component is a directive which use shadow DOM to create encapsulate visual behavior called components. ... Directives is used to add behavior to an existing DOM element. Component is used to break up the application into smaller components. Directive is use to design re-usable components.
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In AngularJS DI is injected into various link functions, controller functions, and directive definitions. On the other hand, Angular implements a hierarchical dependency injection system using declarations, constructor functions, and providers.
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We should use <ng-container> when we just want to apply multiple structural directives without introducing any extra element in our DOM. For more information refer to the docs. There's another use case where it is used to inject a template dynamically into a page.
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Syntax (details): Angular uses TypeScript and splits HTML + TypeScript logic apart, React uses JavaScript and a feature called “JSX” (it combines “HTML” and JavaScript logic), Vue uses regular JavaScript and splits HTML + JavaScript logic apart.
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There are three kinds of directives in Angular: Components—directives with a template. Structural directives—change the DOM layout by adding and removing DOM elements. Attribute directives—change the appearance or behavior of an element, component, or another directive.
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Hi, One main difference is that you do not have a file for the component, while you have the CATProduct for the product. The component will be saved in the parent CATProduct.
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What's the difference between fundamental rights and directive principles? Fundamental Rights are the essential rights of all the citizens of the country. On the other hand, Directive Principles are the guidelines which are referred while formulating policies and laws of the country.
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The difference is in the location where the preprocessor searches for the included file. For #include "filename" the preprocessor searches in the same directory as the file containing the directive. ... This method is normally used to include standard library header files.
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Module is used to group different components such as controller,directives.It is type of grouping mechanism. Controller is a JavaScript object.It acts as the intermediary or glue between the view and model. You set the $scope properties ,which is type of viewmodel,in the controller. ... js and Angular.
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A component is a main building block of an Angular 2 application, and an application may have any number of components. We can consider a component a particular view of the application with its own logic and data. ... In Angular 2, components perform all the tasks that were performed by controllers, scopes and directives.
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JSP include directive vs include action tag 1) Include directive includes the file at translation time (the phase of JSP life cycle where the JSP gets converted into the equivalent servlet) whereas the include action includes the file at runtime.
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The differences between Angular 2-6 are very minimal, most changes are internal and largely updates focus involve performance, build size and tooling improvements. If you learn Angular 2 you know Angular 6 so those courses are still very applicable.
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Component is a directive which use shadow DOM to create encapsulate visual behavior called components. Components are typically used to create UI widgets. Directives is used to add behavior to an existing DOM element. Component is used to break up the application into smaller components.
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It may be the same from the Angular point of view, but Pages and Components have a different meaning in Ionic. In terms of Angular, both are just components, but in the context of Ionic, a Page is a component that will act as an entire view (it may have nested components); we see Ionic pages as a standalone concept.
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Difference between Angular 2 and Angular 4 The code generated using Angular 2 is bigger, and the file size is also larger. Angular 4.0 has reduced the bundled file size by 60%. Thus code generated is reduced which helps to accelerate the application performance. Angular two is not backward compatible with Angular JS.
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AngularJS is completely based on controllers and the View communicates using $scope whereas Angular 2 is completely a component-based approach. In Angular 2, both, controller and $scope are completely gone. Angular 2 is completely based on the component. Components are the building blocks of an Angular 2 application.
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Angular CLI is a tool to create Angular 2 applications. ... Angular CLI uses modules from node. js whereas AngularJS uses HTML as your template language and lets you extend HTML's syntax to define the application's components clearly and compactly.