Tech9 min read
Rust for JavaScript Developers: Understanding Memory & Ownership
By Sayyed Abrar Akhtar โข Published 2025-02-16
Bridge the gap between JS garbage collection and Rust ownership, borrowing, and lifetime primitives.
As web tooling (SWC, Biome, Turbopack, Tailwind v4) shifts to Rust, web developers are increasingly learning Systems programming. Understanding **Ownership**, **Borrowing**, and **Lifetimes** is key to mastering Rust.
The 3 Rules of Ownership 1. Each value in Rust has an owner (a variable). 2. There can only be one owner at a time. 3. When the owner goes out of scope, the value is dropped immediately.
Tags:#Rust#JavaScript#Systems