---
title: "Roll your own JavaScript runtime"
url: https://daily.dev/posts/roll-your-own-javascript-runtime--e-eqjzyq
source_url: https://deno.com/blog/roll-your-own-javascript-runtime
type: article
source: "Community Picks"
published: 2022-07-29T21:18:42.468Z
updated: 2023-12-07T12:02:45.284Z
tags: ["javascript", "rust", "v8"]
reading_time: 6
upvotes: 46
comments: 1
language: en
---

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# Roll your own JavaScript runtime

**[Community Picks](https://daily.dev/sources/community)** · 6 min read · 46 upvotes · 1 comments

## Summary

The goal of this post is to build a (much) simplified version of deno itself. The goal is to create a CLI that can execute local JavaScript files, read a file, write a file and remove a file. In just 25 lines of Rust code we created a simple JavaScript runtime that can Execute local files.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://deno.com/blog/roll-your-own-javascript-runtime>

## Community discussion

Top comments from developers on daily.dev.

**@jesseholden** · 1 upvotes

> Very cool article! I like the idea of customizing a runtime, maybe this could be super useful for running on IOT devices.

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---

Tags: [#javascript](https://daily.dev/tags/javascript), [#rust](https://daily.dev/tags/rust), [#v8](https://daily.dev/tags/v8)

[View this post on daily.dev](https://daily.dev/posts/roll-your-own-javascript-runtime--e-eqjzyq)