Deno Blog
How Plaid migrated 100 services to a new database platform 5x faster with Deno
Learn how Plaid used Deno to minimize downtime and improve cutover speed during a critical infrastructure migration.
Deno BlogDeno BlogDeno 2.3: Improved deno compile, local npm packages, and more
Deno 2.3 adds new features for deno compile and deno fmt, support for using local npm packages, several performance improvements, and more. Here are the biggest highlights.
Deno BlogAdd JSR packages with pnpm and Yarn
You can now access JSR packages via pnpm and Yarn. Here's how.
Deno BlogZero-config Debugging with Deno and OpenTelemetry
Debugging requires implementation to get the right data for you to resolve issues quickly. Here's how you can use Deno to capture necessary telemetry data without any additional work.
Deno BlogExploring Art with TypeScript, Jupyter, Polars, and Observable Plot
With Deno's Jupyter support, you can explore, interact, and create interactive charts with TypeScript and HTML. Here's a tutorial featuring data of over 130,000 famous artworks.
Deno BlogDeno v Oracle Update 3: Fighting the JavaScript Trademark
Oracle has filed a partial motion to dismiss our fraud claim. We’re now waiting on the USPTO to weigh in.
Deno BlogBuild a custom RAG AI agent in TypeScript and Jupyter
AI and LLMs are certainly useful assistive tools. But what if we need to train LLMs on confidential documents and materials? Here's how you can build your own custom RAG AI agent.
Deno BlogHow to get deep traces in your Node.js backend with OTel and Deno
Adding meaningful tracing to a Node backend requires additional instrumentation and configuration. Here’s another approach that requires zero additional code.
Deno Blogtoranoana.deno #20 登録受付中(2025年3月14日)
Deno は東京で行われるミートアップ toranoana.deno #20 に開催協力します。以下、主な詳細とスケジュールの概要です。
Deno Blogtoranoana.deno #20 登録受付中(2025年3月14日)
Deno は東京で行われるミートアップ toranoana.deno #20 に開催協力します。以下、主な詳細とスケジュールの概要です。
Deno BlogNode just added TypeScript support. What does that mean for Deno?
Node's experimental TypeScript support will be stabilized in 23.6. Here's what Node's TypeScript integration looks like and how it compares to Deno.
Deno BlogNode just added TypeScript support. What does that mean for Deno?
Node's experimental TypeScript support will be stabilized in 23.6. Here's what Node's TypeScript integration looks like and how it compares to Deno.
Deno BlogThe Dino 🦕, the Llama 🦙, and the Whale 🐋
Did you know you can run a large language model with Deno and Jupyter Notebooks? Here's how.
Deno BlogThe Dino 🦕, the Llama 🦙, and the Whale 🐋
Did you know you can run a large language model with Deno and Jupyter Notebooks? Here's how.
Deno BlogPublish a lint rule, get a prize
Deno's new lint plugin system means you can extend the deno lint functionality with your own rules. We're giving prizes for anyone who publishes a lint rule this week. Here's how to participate.
Deno BlogPublish a lint rule, get a prize
Deno's new lint plugin system means you can extend the deno lint functionality with your own rules. We're giving prizes for anyone who publishes a lint rule this week. Here's how to participate.
Deno BlogDeno 2.2: OpenTelemetry, Lint Plugins, node:sqlite
Deno 2.2 adds built-in OpenTelemetry, a new linter plugin API, node:sqlite, and major improvements to deno check, deno lsp, and deno task.
Deno BlogDeno 2.2: OpenTelemetry, Lint Plugins, node:sqlite
Deno 2.2 adds built-in OpenTelemetry, a new linter plugin API, node:sqlite, and major improvements to deno check, deno lsp, and deno task.
Deno BlogIf you're not using npm specifiers, you're doing it wrong
One common way to import npm packages is with transpile services like esm.sh or unpkg.com, which converts npm modules to esm and hosts them on the web. However, since Deno 2, which supports npm natively, we recommend using npm specifiers. Here's why.
Deno BlogIf you're not using npm specifiers, you're doing it wrong
One common way to import npm packages is with transpile services like esm.sh or unpkg.com, which converts npm modules to esm and hosts them on the web. However, since Deno 2, which supports npm natively, we recommend using npm specifiers. Here's why.
Deno BlogHow Deno's documentation is evolving
Documentation is a critical part of developer experience. Here's how we're improving our documentation and what's to come.
Deno BlogHow Deno's documentation is evolving
Documentation is a critical part of developer experience. Here's how we're improving our documentation and what's to come.
Deno BlogOracle justified its JavaScript trademark with Node.js—now it wants that ignored
Oracle filed a motion to dismiss in response to Deno’s petition to cancel its “JavaScript” trademark. But instead of addressing the real issue—that JavaScript is an open standard with multiple independent implementations—Oracle is trying to stall the process and sidestep accountability.
Deno BlogOracle justified its JavaScript trademark with Node.js—now it wants that ignored
Oracle filed a motion to dismiss in response to Deno’s petition to cancel its “JavaScript” trademark. But instead of addressing the real issue—that JavaScript is an open standard with multiple independent implementations—Oracle is trying to stall the process and sidestep accountability.
Deno BlogIntroducing the JSR open governance board
JSR, a modern open source JavaScript registry, is meant for the greater JavaScript and TypeScript community. We're thrilled to announce its own independent governing body.
Deno BlogIntroducing the JSR open governance board
JSR, a modern open source JavaScript registry, is meant for the greater JavaScript and TypeScript community. We're thrilled to announce its own independent governing body.
Deno BlogDeno Blog updated their profile.
Deno BlogIntro to Wasm in Deno
Web Assembly, or Wasm, is a great way to increase performance in your web application. Here is an introductory guide to what it is and how you can use it.
Deno BlogIntro to Wasm in Deno
Web Assembly, or Wasm, is a great way to increase performance in your web application. Here is an introductory guide to what it is and how you can use it.
Deno BlogAnnouncing OpenAI on JSR
OpenAI, leading development platform for building generative AI products and experiences, now has a JavaScript and TypeScript SDK on JSR.