Deno is a secure runtime for Javascript and Typescript that is based on the Rust programming language and the deno is created by Ryan Dahl. Two years development deno finally reached version 1.0 in May2020, deno supports all web worker API, Workers can be used to run code on multiple threads.

Deno have a new way to manage module nodejs has a bloated package.json file a lock file, deno has code. In web, deno has no centralized package repository, such as NPM. Instead file are imported where needed and downloaded when they do not exist in the module cache. Six Companies reportedly use deno in their tech stacks, including the lonero foundation, cloudless and SOLID engineer.Deno has mainly features- They are Dependency inspector, Code formatter, Bundling, Runtime type info.

Deno are runtimes built on Google’s V8 JavaScript engine, the same engine used in Google Chrome. They have internal event loops and provide command-line interfaces for running scripts and a wide range of system utilities. Though deno performs better in the -c100 test, which means deno is doing better than node in a higher traffic network.