const express = require('express')
const app = express()
const port = 3000
const path = require('path')

app.use(express.urlencoded({
    extended: true
}))

app.use(express.json())

app.get("/", function(req, res) {
    res.sendFile(path.join(__dirname, '/static/range.html'))
})

app.post("/range", function(req, res) {
    res.header("content-type", "application/json")
    res.send({"r2": req.body.r1})
})

app.listen(port, function() {
    console.log("dziala")
})