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docs: add platform to glossary (#30731) 

PR Close #30731
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Judy Bogart 2019-05-29 09:35:46 -07:00 committed by Andrew Kushnir
parent aa9eb55e3c
commit 574990e0fd
3 changed files with 19 additions and 3 deletions
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aio/content/guide/glossary.md
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@ -622,6 +622,19 @@ A class which is preceded by the `@Pipe{}` decorator and which defines a functio
To learn more, see [Pipes](guide/pipes).
{@a platform}
## platform
In Angular terminology, a platform is the context in which an Angular application runs.
The most common platform for Angular applications is a web browser, but it can also be an operating system for a mobile device, or a web server.
Support for the various Angular run-time platforms is provided by the `@angular/platform-*` packages. These packages allow applications that make use of `@angular/core` and `@angular/common` to execute in different environments by providing implementation for gathering user input and rendering UIs for the given platform. Isolating platform-specific functionality allows the developer to make platform-independent use of the rest of the framework.
* When running in a web browser, [`BrowserModule`](api/platform-browser/BrowserModule) is imported from the `platform-browser` package, and supports services that simplify security and event processing, and allows applications to access browser-specific features, such as interpreting keyboard input and controlling the title of the document being displayed. All applications running in the browser use the same platform service.
* When [server-side rendering](#server-side-rendering) (SSR) is used, the [`platform-server`](api/platform-server) package provides web server implementations of the `DOM`, `XMLHttpRequest`, and other low-level features that don't rely on a browser.
{@a polyfill}
## polyfill

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packages/platform-browser/PACKAGE.md
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Supports delivery of Angular apps on different supported browsers.
Supports execution of Angular apps on different supported browsers.
The `BrowserModule` is included by default in any app created through the CLI,
and it re-exports the `CommonModule` and `ApplicationModule` exports,

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packages/platform-server/PACKAGE.md Normal file
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Supports delivery of Angular apps on a server, for use with [server-side rendering](guide/glossary#server-side-rendering) (SSR).
For more information, see [Server-side Rendering: An intro to Angular Universal](guide/universal).