<head>
<title>TERSERAH ANDA</title>
<script type="text/javascript">
function tambah()
{
var num1 = document.myform.angka1.value;
var num2 = document.myform.angka2.value;
var pertambahan = parseInt(num1) + parseInt(num2);
document.getElementById('add').value = pertambahan;
}
function kurang()
{
var num1 = document.myform.angka1.value;
var num2 = document.myform.angka2.value;
var pengurangan = parseInt(num1) - parseInt(num2);
document.getElementById('add').value = pengurangan;
}
function kali()
{
var num1 = document.myform.angka1.value;
var num2 = document.myform.angka2.value;
var perkalian = parseInt(num1) * parseInt(num2);
document.getElementById('add').value = perkalian;
}
function bagi()
{
var num1 = document.myform.angka1.value;
var num2 = document.myform.angka2.value;
var pembagian = parseInt(num1) / parseInt(num2);
document.getElementById('add').value = pembagian;
}
</script>
</head>
<body>
<form name="myform">
<center>
<input type="text" name = "angka1">
<br></br>
<input type="text" name = "angka2">
<br></br>
<input type="button" name="tambah1" value="+" onClick="tambah()"/>
<input type="button" name="kurang1" value="-" onClick="kurang()"/>
<input type="button" name="kali1" value="*" onClick="kali()"/>
<input type="button" name="bagi1" value="/" onClick="bagi()"/>
<br></br>
Hasil
<br></br>
<input type = "text" id = "add" name = "hasil" value= "">
</center>
</form>
</body>
</html>
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