Bun is a JavaScript runtime (like Node.js) that is 3-10x faster for many operations. It includes: a runtime (executes JS/TS), a bundler (replaces webpack/esbuild), a package manager (replaces npm/yarn, 10-25x faster installs), and a test runner. Written in Zig for maximum performance. Drop-in Node.js compatible for most packages.
glossary2 min read
Bun Explained
Bun is a fast JavaScript runtime, bundler, and package manager in one.
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