How to run Node in package.json and also install and run nodemon

Node project run

• inside the package.json

• first way to run

• second way to run

• third way to run

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How to install a npm package

• npm install packageName

How to uninstall a npm package

• npm uninstall packageName

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How to install and run nodemon package

• npm install nodemon

• and also set "start": "nodemon index.js" in scripts file in package.json

• and final scripts in package.json file looks like this image:
  

"scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "start": "nodemon index.js"
  },

• full index.js file and package.json file image below there: