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docs: copyedit introduction for clarity (#9805)

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Co-authored-by: Kitson Kelly <me@kitsonkelly.com>
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Peter Shank 2021-04-01 02:20:43 -07:00 committed by Kitson Kelly
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12
docs/introduction.md
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@ -17,7 +17,7 @@ It's built on V8, Rust, and Tokio.
[a set of reviewed (audited) standard
modules](https://github.com/denoland/deno_std) that are guaranteed to work
with Deno.
- Scripts can be bundled into a single JavaScript file.
- Can bundle scripts into a single JavaScript file.
## Philosophy
@ -35,7 +35,7 @@ have been historically written with Bash or Python.
## Goals
- Only ship a single executable (`deno`).
- Ship as just a single executable (`deno`).
- Provide secure defaults.
- Unless specifically allowed, scripts can't access files, the environment, or
the network.
@ -45,7 +45,7 @@ have been historically written with Bash or Python.
also be able to be run in a modern web browser without change.
- Provide built-in tooling to improve developer experience.
- E.g. unit testing, code formatting, and linting.
- Not leak V8 concepts into user land.
- Keep V8 concepts out of user land.
- Serve HTTP efficiently.
## Comparison to Node.js
@ -57,8 +57,8 @@ have been historically written with Bash or Python.
than Node.
- Deno requires explicit permissions for file, network, and environment access.
- Deno always dies on uncaught errors.
- Uses "ES Modules" and does not support `require()`. Third party modules are
imported via URLs:
- Deno uses "ES Modules" and does not support `require()`. Third party modules
are imported via URLs:
```javascript
import * as log from "https://deno.land/std@$STD_VERSION/log/mod.ts";
@ -66,7 +66,7 @@ have been historically written with Bash or Python.
## Other key behaviors
- Remote code is fetched and cached on first execution, and never updated until
- Fetch and cache remote code upon first execution, and never update it until
the code is run with the `--reload` flag. (So, this will still work on an
airplane.)
- Modules/files loaded from remote URLs are intended to be immutable and