express.js

var request = require("request");
app.get("/weather/:cityId", (req, res) => {

  request("http://weatherapithing.com/" + req.params.cityId, function(
    error,
    response,
    body
  ) {
    console.log("error:", error); // Print the error if one occurred
    res.header("Access-Control-Allow-Origin", "*");
    res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
    res.send(body)
    res.end()
  });
});