Deno Modern JavaScript: 68 Things Every Beginner Should Know

Explore the fundamentals of Deno, the modern runtime for JavaScript and TypeScript.
Learn how Deno uses ES Modules by default and eliminates the need for package.json.
Discover Deno's built-in support for TypeScript and how to run TypeScript files directly.
Understand the security features of Deno, including explicit permissions for network and file access.
Delve into Deno's native support for Web APIs and its powerful tools like linting and testing.
This guide is perfect for beginners looking to grasp the essentials of Deno and modern JavaScript development.
Join the Deno community and enhance your coding skills with practical insights and tips.
Start your journey into modern JavaScript with Deno today!

《Index》
・Deno uses ES Modules by default, not CommonJS
・Use import and export for module management in Deno
・Deno’s Built-in TypeScript Support
・Run TypeScript Files Directly Without a Build Step
・Deno does not use package.json or node_modules
・Deno imports third-party modules via URLs
・Deno's Default Security Requires Explicit Permissions
・Allow Network Access with –allow-net Flag
・Allowing Read Access to the File System with –allow-read
・Allowing Write Access to the File System with –allow-write
・Accessing Environment Variables in Deno Using the –allow-env Flag
・Using deno.land as the Official Module Registry
・Deno's Native Support for Web APIs like fetch()
・Deno Supports ESNext Features Natively
・Deno's Built-in Linter: deno lint
・Deno's Built-in Code Formatter: deno fmt
・Deno’s Built-in Test Runner with deno test
・Deno’s Built-in Dependency Inspection with deno info
・Deno caches modules locally after first download
・Deno ensures module immutability in the cache
・Clearing the Deno Cache with deno cache –reload
…etc