April 2018
Beginner
226 pages
4h 47m
English
Content preview from JavaScript and JSON Essentials - Second Edition
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Metadata in Angular 5
In Angular, metadata is used while processing a class for some specific functionality. The metadata configures the class so that it can be used as a component or services. The metadata is implemented via class decorators or property metadata. We will be learning about the class decorators as it suits our JSON essential context.
In the Angular (above version 2) application, the first thing to learn about is NgModule.
An NgModule is a class adorned with the @NgModule decorator function. It takes a metadata object and it tells Angular how to compile your code.
– angular.io
Each class can be accompanied with a single decorator. In case of NgModule the class is already defined in Angular core libraries. We need to use ...
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