<html>
<head>
<title>Javascript lanjut</title>
</head>
<body>
<script language="javascript">
function jumlah(){
var bil1=parseFloat(document.
if (isNaN (bil1))
bil1=0.0;
var bil2=parseFloat(document.
if(isNaN(bil2))
bil2=0.0;
var hasil=bil1+bil2;
alert("Hasil Penjumlahan= "+hasil);
}
function kurang(){
var bil1=parseFloat(document.
if (isNaN (bil1))
bil1=0.0;
var bil2=parseFloat(document.
if(isNaN(bil2))
bil2=0.0;
var hasil=bil1-bil2;
alert("Hasil Pengurangan= "+hasil);
}
function kali(){
var bil1=parseFloat(document.
if (isNaN (bil1))
bil1=0.0;
var bil2=parseFloat(document.
if(isNaN(bil2))
bil2=0.0;
var hasil=bil1*bil2;
alert("Hasil Perkalian= "+hasil);
}
function bagi(){
var bil1=parseFloat(document.
if (isNaN (bil1))
bil1=0.0;
var bil2=parseFloat(document.
if(isNaN(bil2))
bil2=0.0;
var hasil=bil1/bil2;
alert("Hasil Pembagian= "+hasil);
}
</script>
<FORM NAME ="fform">
<H1><br>Memasukkan Data Lewat Keyboard</h1>
<pre>
Bilangan Pertama: <input type="text" size="11" name="bilangan1">
Bilangan Kedua : <input type="text" size="11" name="bilangan2">
</pre>
<p>
<input type="button" value="jumlahkan" onClick="jumlah()">
<input type="button" value="kurang" onClick="kurang()">
<input type="button" value="kali" onClick="kali()">
<input type="button" value="bagi" onClick="bagi()">
<input type="reset" value="ulang">
</form>
</body>
</html>
hasil running:
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