npm init -ynpm install -D parcel package.json{ "name": "js", "version": "1.0.0", "description": "", "main": "index.js", "scripts": { "dev": "parcel ./index.html", "build": "parcel build ./index.html" }, "keywords": [], "author": "", "license": "ISC", "devDependencies": { "parcel": "^2.12.0" }}index.htmlDOCTYPE html>html lang="en">head> meta charset="UTF-8"> meta name="viewp..