Node js html form Написать функцию Delete. и тест jest node js

Написать функцию Delete. Не могу не решить не найти, как подружить форму html и app. Delete

My quest

Aktualizacja dannych

Location:

temperature: temperaturę w st. C

C

humidity: wilgotność powietrza w %

%

pressure: ciśnienie w hPa

hPa

Location:

temperature: temperaturę w st. C

C

humidity: wilgotność powietrza w %

%

pressure: ciśnienie w hPa

hPa

var express = require('express');

var app = express();

var bodyParser = require('body-parser');

var fs = require('fs');

const path = require('path');

app.use(bodyParser.urlencoded({

extended: true

}));

app.use(express.static(__dirname + '/public'));

app.post('/process_post', (req, res) => {

// należy utworzyć nowy obiek

const newWeather = [{

"id": 1,

location: req.body.location},

{"id": 2,

temperature: req.body.temperature},

{"id": 3,

humidity: req.body.humidity},

{"id": 4,

pressure: req.body.pressure

}];

console.log(req.body)

// читаем актуальные данные

const weather = JSON.parse(fs.readFileSync("weather.json"));

// dodać do nich nową pogodę

weather.push(newWeather);

// записать изменения

fs.writeFileSync("weather.json", JSON.stringify(weather));

res.json(newWeather);

});

app.use(express.static('public'));

app.get('/process_get', function(req, res) {

const records = JSON.parse(fs.readFileSync("weather.json"));

const weather = JSON.parse(fs.readFileSync("weather.json"));

res.json(weather);

});

app.get('/process_delete', function (req, res) {

// First read existing users.

const weather = JSON.parse(fs.readFileSync("weather.json"));

let removed = weather.splice(0, 2);

alert( removed );

fs.writeFileSync("weather.json", JSON.stringify(weather));

});

var server = app.listen(8081, function() {

var host = server.address().address

var port = server.address().port

console.log("Example app listening at //%s:%s", host, port)

})