Deno 2.0 vs Node.js: A Comprehensive Comparison in 2024

Lamrin
6 min readOct 16, 2024

In October 2024, the release of Deno 2.0 marked a major milestone in the evolution of this modern runtime for JavaScript, TypeScript, and WebAssembly. Deno, created by Ryan Dahl — the original creator of Node.js — was conceived to address some of the design flaws he identified in Node.js. Since its inception, Deno has matured into a robust runtime, and version 2.0 brings significant changes that deserve exploration, particularly when compared with Node.js.

This article dives into what’s new in Deno 2.0, compares it with Node.js, and evaluates which runtime may be the right fit for your next project.

Deno Mascot

What’s New in Deno 2.0?

Deno 2.0 offers several enhancements focusing on performance, security, and developer experience. Here’s a breakdown of its key features:

1. Enhanced Node.js Compatibility

One of the biggest obstacles to Deno’s adoption has been its limited compatibility with Node.js. Developers working on Node.js projects found it challenging to migrate due to missing APIs and dependency issues.

  • Deno 2.0 improves

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