calculator.js

const express =require("express");
const bodyparser=require("body-parser");
 

const app=express();
app.use(bodyparser.urlencoded({extended:true}));


app.get("/",function(req,res){
    res.sendFile(__dirname+ "/index.html");

});


app.post("/",function(req,res){
var num1=Number(req.body.num1);
var num2=Number(req.body.num2);
var result=num1+num2;

res.send("The result of calculation is "+result);
});


app.get("/bmicalculator",function(req,res){
res.sendFile(__dirname+"/bmicalculator.html");
});

app.post("/bmicalculator",function(req,res){
    var weight = console.log(parseFloat(req.body.weight));

    var height=parseFloat(req.body.height);

    var bmi=weight/(height*height);

    res.send("the bmi calculate the result::"+bmi);

});


 app.listen(3000,function(){       
     console.log("port is start::");
 });