action posting
calci js
const express = require("express");
const app = express();
app.get("/contact", function(req, res){
res.send("surajkurle2003@gmail.com");
})
app.get("/", function(req, res){
res.sendFile(__dirname + "/index.html");
})
app.post("/", function(req, res){
res.send("thanks for posting this")
})
app.listen(3000, function(){
console.log("server started at port 3000");
})
HTML code
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>calculator</title>
</head>
<h1>my calculator</h1>
<body>
<form action="/" method="post">
<input type="text" name="numq" placeholder="first number">
<input type="text" name="num2" placeholder="second number">
<button type="submit" name="submit">calculate</button>
</form>
</body>
</html>