read and write json js code example

Example: how to write to a json file in javascript

const fs = require('fs');
const data = {
  data: "abc",
  stuff: 10,
  more_data: "1 2 3 4 3 2 1",
};
const jsonString = JSON.stringify(data);
fs.writeFile('./data.json', jsonString, err => {
  if (err) {
    console.log('Error writing file', err)
  } else {
    console.log('Successfully wrote file')
  }
});