Kalkulator JavaScript
;
function jumlah()
{
var bil1= parseFloat(document.luxury.bilangan1.value);
if (isNaN(bil1))
bil1=0.0;
var bil2= parseFloat(document.luxury.bilangan2.value);
if (isNaN(bil2))
bil2=0.0;
var hasil = bil1+ bil2;
alert("Hasil Penjumlahan = "+ hasil);
}
function kurang()
{
var bil1= parseFloat(document.luxury.bilangan1.value);
...