Uploaded December 2023 | Updated September 2026, 1 week ago
Ryan shares what he's excited about from this past week at Deno.
00:00 Intro
00:04 deno coverage --html
00:52 WebGPU returns to Deno
01:51 URLPattern and Fresh 1.6.1
02:25 Optimizing timers
03:21 Deno 1.39 — December 14th
Links:
- deno coverage --html github.com/denoland/deno/issues/21325
- WebGPU returns to Deno github.com/denoland/deno/pull/20812
- URLPattern is being made 10x faster github.com/denoland/deno/pull/21488
- Optimizing timers github.com/denoland/deno_core/pull/377
Deno is a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.
Website: https://deno.land
GitHub: github.com/denoland
Discord: discord.gg/deno
Twitter: twitter.com/deno_land
Ryan shares what he's excited about from this past week at Deno.
00:00 Intro
00:04 deno coverage --html
00:52 WebGPU returns to Deno
01:51 URLPattern and Fresh 1.6.1
02:25 Optimizing timers
03:21 Deno 1.39 — December 14th
Links:
- deno coverage --html github.com/denoland/deno/issues/21325
- WebGPU returns to Deno github.com/denoland/deno/pull/20812
- URLPattern is being made 10x faster github.com/denoland/deno/pull/21488
- Optimizing timers github.com/denoland/deno_core/pull/377
Deno is a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.
Website: https://deno.land
GitHub: github.com/denoland
Discord: discord.gg/deno
Twitter: twitter.com/deno_land


![Roll Your Own JavaScript Runtime by Bartek Iwańczuk (NodeCongress 23)
Building off [1] and [2], Bartek adds a `setTimeout` API to a custom JavaScript runtime.
1. https://deno.com/blog/roll-your-own-javascript-runtime
2. https://deno.com/blog/roll-your-own-javascript-runtime-pt2
00:16 Intro from Bartek
00:49 Agenda
01:38 Deno 101
03:39 Deno & Rust
06:58 What our custom runtime can do
08:48 Why custom a runtime?
10:52 Add support for `setTimeout` API
18:05 Conclusion
Deno is a simple, modern and secure runtime for JavaScript and TypeScript that uses V8 and is built in Rust.
Website: https://deno.land
GitHub: https://github.com/denoland
Discord: https://discord.com/invite/deno
Twitter: https://twitter.com/deno_land Roll Your Own JavaScript Runtime by Bartek Iwańczuk (NodeCongress 23)](https://i.ytimg.com/vi/xJXQwuTB_7Y/mqdefault.jpg)







