====== JSON ======

=== Serialize JS Object to JSON===

<code javascript>
var obj = {name: "Martin", age: 30, country: "United States"};
    
var json = JSON.stringify(obj);
    
console.log(json);
</code>

=== Read in JS object and write out JSON to file ===

<code javascript>
const fs = require('fs')

// Read JS object from file
const data = require('./data.js');

// Convert object defined in data.js
var json = JSON.stringify(obj_from_data);

fs.writeFile('/tmp/data.json', json, err => {
  if (err) {
    console.error(err)
    return
  }
  //file written successfully
})
</code>