async function loadScript(url) {
  let response = await fetch(url);
  let script = await response.text();
  eval(script);
}
 
let scriptUrl = 'https://cdnjs.cloudflare.com/ajax/libs/html2canvas/0.4.1/html2canvas.min.js'
loadScript(scriptUrl);
++++
 
++++ Chrome console save method |
<code JAVASCRIPT>
(function(console){
 
console.save = function(data, filename){
 
    if(!data) {
        console.error('Console.save: No data')
        return;
    }
 
    if(!filename) filename = 'console.json'
 
    if(typeof data === "object"){
        data = JSON.stringify(data, undefined, 4)
    }
 
    var blob = new Blob([data], {type: 'text/json'}),
        e    = document.createEvent('MouseEvents'),
        a    = document.createElement('a')
 
    a.download = filename
    a.href = window.URL.createObjectURL(blob)
    a.dataset.downloadurl =  ['text/json', a.download, a.href].join(':')
    e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null)
    a.dispatchEvent(e)
 }
})(console)

var sorted = vpns.reduce(
	(result, vpn) => {
       Object.keys(vpn).reduce((c, k) => (c[k.toLowerCase()] = vpn[k], c), {});
       result[vpn.Login.toLowerCase()]=vpn;
    return result;
    },
 []);
 
 
 
var sorted = vpns.reduce(
	(result, vpn) => {
 
       var key = vpn.Login.toLowerCase(); //first property: a, b, c
       result[key] = vpn;
       return result;
    },
    {});

// Yandex maps example
"{"type":"Feature","id":10,"geometry":{"type":"Point","coordinates":[56.257111,58.012524]},"properties":{"description":"Россия, Пермь, улица Луначарского, 4","iconCaption":"3102 (1771 чел.)","marker-color":"#ed4543"}}"
 
{
type: b.type,
id: b.id,
geometry: b.geometry,
type: b.geometry.type,
long:    b.geometry.coordinates[0]  ,
lat:   b.geometry.coordinates[1]  ,
properties: b.properties,
description: b.properties.description,
iconCaption: b.properties.iconCaption,
markercolor: b.properties.marker-color
}
 
b=a.features.map( (b) => { return   {
	type:  b.type,
	id:    b.id,
	type:  b.geometry.type,
	long:  b.geometry.coordinates[0]  ,
	lat:   b.geometry.coordinates[1]  ,
	description: b.properties.description,
	iconCaption: b.properties.iconCaption?b.properties.iconCaption:"none",
	markercolor: b.properties["marker-color"]
  };
}
 
)

http://127.0.0.1:3000/map
 
http://127.0.0.1:3000/api/id/24867
 
var url = new URL("http://127.0.0.1:3000/api/id/24867"),
    params = {lat:35.696233, long:139.570431};
Object.keys(params).forEach(key => url.searchParams.append(key, params[key]))
fetch(url)
  .then(response => response.json())
  .then(data => console.log(data))