nodejs store json from web api

1// NodeJS
2const http = require("http");
3var url = 'https://example.com/file.json'; // Request URL
4
5http.get(url, function(res){
6    var body = '';
7
8    res.on('data', function(chunk){
9        body += chunk;
10    });
11
12    res.on('end', function(){
13        var data = JSON.parse(body); 
14        console.log("Got a response: ", data.value);
15    });
16}).on('error', function(e){
17      console.log("Got an error: ", e);
18});