problem description

vscodenode http/https connect ECONNREFUSED 127.0.0.1 3300

the environmental background of the problems and what methods you have tried

optionshostname "encrypted.google.com" 
const options = {
  hostname: "encrypted.google.com",
  port: 443,
  path: "/",
  method: "GET"
};
hostname: "localhost"   port: "3300" 
Error: connect ECONNREFUSED 127.0.0.1 3300

related codes

/ / Please paste the code text below (do not replace the code with pictures)

const https = require("https");
const http = require("http");

const option = {
hostname: "127.0.0.1",
port: "3300",
path: "/",
method: "GET",
header: {
    "Content-Type": "application/x-www-form-urlencoded",
    "Content-Length": 20
}
};

let servers = https.request(option, (res) => {
console.log("", res.statusCode);
console.log("", res.headers);

res.on("data", d => {
    process.stdout.write(d);
})
})

servers.on("error", err => {
console.log("Error", err);
});

servers.end();

what result do you expect? What is the error message actually seen?