JSON

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Convert JS Object to JSON text

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

Write JSON to file

const fs = require('fs')
 
const data = require('./data.js');
 
// Include JS file that defines some JS objects
var json = JSON.stringify(data);
 
// Convert object reference by var_from_data
fs.writeFile('/tmp/data.json', var_from_data, err => {
  if (err) {
    console.error(err)
    return
  }
  //file written successfully
})