<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<H1> Calculadora</H1>
<input type="button" value="Adição" onclick="adc()">
<input type="button" value="Subtração" onclick="sub()">
<input type="button" value="Mutiplicação" onclick="mult()">
<input type="button" value="Divisão" onclick="dv()"> <br>
<input type="number" name="nn1" id="nn1">
<input type="number" name="nn2" id="nn2">
<div id="resp">Resultado</div>
<script>
var ns1 = window.document.querySelector('input#nn1')
var ns2 = window.document.querySelector('input#nn2')
var res = window.document.querySelector('div#resp')
var n1 = Number(ns1.value)
var n2 = Number(ns2.value)
function adc(){
var soma = n1 + n2
res.innerHTML = soma
}
function sub(){
var sub = n1 - n2
res.innerHTML = sub
}
function mult(){
var mult = n1 * n2
res.innerHT = mult
}
function dv(){
var divz = n1 / n2
res.innerHTML = divz
}
</script>
</body>
</html>
hello, can someone help me this code was to do math operations but the first 3 buttons return 0 and the last NaN, can someone tell me where is the error?
