read json response from file in javascript code example

Example 1: JavaScript read as Json

// The JSON.parse() method parses a JSON string, constructing the JavaScript value or object described by the string.
// An optional reviver function can be provided to perform a transformation on the resulting object before it is returned.

//NOTE: JSON.parse() does not allow single quotes around items

//Example: 
var obj = JSON.parse('{ "name":"John", "age":30, "city":"New York"}');

Example 2: read json from file js

const fs = require('fs');

fs.readFile('./customer.json', 'utf8', (err, jsonString) => {
  if (err) {
    console.log("File read failed:", err)
    return 
  }
  console.log('File data:', jsonString)
})