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Fixed typos
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Anton Krekotun 2019-05-30 12:58:32 +03:00 • committed by GitHub
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5-network/08-websocket/article.md
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@ -124,7 +124,7 @@ For instance:
`Sec-WebSocket-Extensions` is sent by the browser automatically, with a list of possible extensions it supports.
`Sec-WebSocket-Protocol` is depends on us: we decide what kind of data we send. The second optional parameter of `new WebSocket` lists subprotocols:
`Sec-WebSocket-Protocol` depends on us: we decide what kind of data we send. The second optional parameter of `new WebSocket` lists subprotocols:
```js
let socket = new WebSocket("wss://javascript.info/chat", ["soap", "wamp"]);
@ -250,7 +250,7 @@ There are other codes like:
Please refer to the [RFC6455, §7.4.1](https://tools.ietf.org/html/rfc6455#section-7.4.1) for the full list.
WebSocket codes are somewhat like HTTP codes, but different. In particular, an codes less than `1000` are reserved, there'll be an error if we try to set such a code.
WebSocket codes are somewhat like HTTP codes, but different. In particular, any codes less than `1000` are reserved, there'll be an error if we try to set such a code.
```js
// in case connection is broken
@ -360,7 +360,7 @@ You can also download it (upper-right button in the iframe) and run locally. Jus
## Summary
WebSocket is a modern way to have persisten browser-server connections.
WebSocket is a modern way to have persistent browser-server connections.
- WebSockets don't have cross-origin limitations.
- They are well-supported in browsers.
@ -378,7 +378,7 @@ Events:
- `error`,
- `close`.
WebSocket by itself does not include reconnection, authentication and many other high-level mechanisms. So there are client/server libraries add them. But it's also possible to implement these manually and integrate WebSockets with an existing site.
WebSocket by itself does not include reconnection, authentication and many other high-level mechanisms. So there are client/server libraries that add them. But it's also possible to implement these manually and integrate WebSockets with an existing site.
For integration purposes, a WebSocket server is usually running in parallel with the main server, and they share a single database. Requests to WebSocket use `wss://ws.site.com`, a subdomain that leads to WebSocket server, while `https://site.com` goes to the main HTTP-server.