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Selasa, 08 Juli 2025

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JavaScript kalkulator pengurangan analisa

Latihan JavaScript
Kalkulator Pengurangan
Afif Rahman,ST


Masukan dua angka untuk mendapat hasil pengurangan

Operasi Pengurangan

Bilangan Pertama : Bilangan Kedua :

Analisa Script di bawah ini


Analisa Script

<p><script language="JavaScript">

function kurang()

{

var bil1 = parseFloat(document.fform.bilangan1.value);

if (isNaN (bil1))

bil1=0.0;

var bil2 = parseFloat(document.fform.bilangan2.value);

if (isNaN (bil2))

bil2=0.0;

var hasil = bil1 - bil2;

alert ("Hasil Penjumlahan = " + hasil);

}

 </script>

</p>

<form name="fform">

<h1><br />Memasukan Data Lewat Keyboard</h1>

  <p style="font-size:18px; color:red; text-align=center;">Operasi Pengurangan</p>

<pre>

<strong style="font-size:20px; text-alignt; : center" >Bilangan Pertama  :</strong> <input name="bilangan1" size="20" type="text" />

<strong style="font-size:20px; text-alignt; : center"> Bilangan Kedua    :</strong> <input name="bilangan2" size="20" type="text" />

</pre>

<p>

<input onclick="kurang()" type="button" value="Kurangkan" />

<input type="reset" value="Ulang" />

  </p>

  </form>


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