- Deno was created by Ryan Dahl, the creator of Node.js.
- Deno is secure by default. Without permission, it cannot access files, network, or the environment.
- Deno has TypeScript built-in with no external configuration needed.
- External packages are pulled in via URLs.
- Deno is an anagram for Node and it’s pronounced Deeno
The creator of NodeJS has release a new runtime for JavaScript that is built for simplicity placing an empathises on security and being dependency free.
Deno generally can be used for the same things as Node.js. You can use it to build web servers, you can use it to build utility scripts etc.
But Deno:
- By default supports TypeScript – hence it’s a JavaScript and TypeScript runtime
- Uses ES modules (with URL support) imports instead of its own module system
- Embraces modern JavaScript features like Promises or async iterable
- Is “secure by default”
Features
- TypeScript Support
- ES Modules Imports
- Modern JavaScript Features
- Security
DenoJS aims to be a productive and secure scripting environment to provide an easy experience for the modern age developers. The creators of NodeJS had expressed several concerns over the functioning of NodeJS. They had expressed concerns over the security of Node, how Node handled packages and other legacy APIs within Node which will never change, among other things. Node was released in 2009 and since then JavaScript has changed a lot. They wanted to make a better version of NodeJS with modern JavaScript tools and APIs. They also wanted something compatible with the Browser and Server Environments and hence came the realization of DenoJS.
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