notes-node/playground/json.js

// var obj = {
//   name: 'Pedro'
// };
// 
// console.log(typeof obj);
// console.log(obj);
// 
// var stringObj = JSON.stringify(obj);
// 
// console.log(typeof stringObj);
// console.log(stringObj);
// 
// var personString = '{"name":"Pierre","age":25}';
// console.log(typeof personString);
// console.log(personString);
// 
// var personObject = JSON.parse(personString);
// console.log(typeof personObject);
// console.log(personObject);
const fs = require('fs');

// Create a new note
var originalNote = {
  title: 'A Simple Title',
  body: 'A Simple body'
};

// Write note to file
var originalNoteString = JSON.stringify(originalNote);
fs.writeFileSync('notes.json', originalNoteString);

// Read note from file
var noteString = fs.readFileSync('notes.json');
var note = JSON.parse(noteString);
console.log(typeof note);
console.log(note);
console.log('Note title:', note.title);