what is different in deno code example

Example: deno vs node

Features					Deno v1.3.3		Node.js v14.4.0
Language					Rust			C++
JS engine					V8				V8
Bundler						Yes				No
URL imports					Yes				No
Browser APIs				Yes				No
In-built package manager	No				Yes
Compiling to executable		No				No (third party)
Explicit imports			Yes				No
Secure by default			Yes				No
Binary size					~44mb			~68mb