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renny_konversi bilangan

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Sep 23rd, 2014
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  1. <html>
  2. <head>
  3. <title>konversi bilangan</title>
  4. </head>
  5. <body>
  6. <form>
  7. <b>Masukkan Bilangan Desimal..</b><br>
  8. <input type="text" name="convert" id="conv"><input type="button" onclick="konversi()" value="Convert">
  9. </form>
  10. <br>
  11. <br>
  12. <div id="hasil"></div>
  13. <script type="text/javascript">
  14.  
  15. function konversi(){
  16. x = document.getElementById("conv").value;
  17. x = parseInt(x);
  18. if(isNaN(x)||document.getElementById("conv").value == "")
  19. {
  20. alert("Masukkan nilai desimal");
  21. document.getElementById("conv").value = "";
  22. document.getElementById("conv").focus();
  23. return false;
  24. }
  25.  
  26. bin = x.toString(2);
  27. hex = x.toString(16).toUpperCase();
  28. okt = x.toString(8);
  29. pesan = "Hasil konversi bilangan Decimal "+x+" ke bilangan Biner adalah "+bin+"<br>";
  30. pesan = pesan + "Hasil konversi bilangan Decimal "+x+" ke bilangan Hexadecimal adalah "+hex+"<br>";
  31. pesan = pesan + "Hasil konversi bilangan Decimal "+x+" ke bilangan Oktal adalah "+bin+"<br>";
  32. document.getElementById("hasil");
  33. hasil.innerHTML = pesan;
  34. document.getElementById("conv").value = "";
  35.  
  36. }
  37.  
  38. </script>
  39. </body>
  40. </html>
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