webinstall.dev/deno Star on GitHub

To update or switch versions, run webi deno@stable (or @v1.13, @beta, etc).

Cheat Sheet

Deno proves that lightning does strike twice. It's the ease of use of node, the intentional tooling of Go, and built in Rust.

Hello World

The obligatory Hello World

deno run https://deno.land/std/examples/welcome.ts

Run a local file

deno run ./hello.ts

Enable permissions

deno run --allow-read=./data,./public --allow-write=./data \
  --allow-net=example.com,example.net ./hello.ts

Format source code, recursively

deno fmt ./my-project