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Operator javasvcript

Discussion in 'Pemrograman Web' started by refi ridho, Jan 4, 2013.

  1. refi ridho

    refi ridho Newbie

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    hay aku masih newbie,,
    saya mau tanya..
    kenapa kok saya ga bisa menulis operatot penambahan dalam javascript??
    contohnya :
    <p>Masukkan angka ke 1</p>
    <input type="text" id="a" />
    <p>Masukkan aangka yang akan ditambahkan</p>
    <input type="text" id="b" /><br />
    <button onclick="tambah()">Klik</button>
    <p id="c"></p>
    <script>
    function tambah()
    {
    var x,y,z;
    x=document.getElementById('a').value;
    y=document.getElementById('b').value;
    z=x+y;

    document.getElementById('c').innerHTML=z;
    }
    </script>

    saya run kok x+y itu di kenal sebagai STRING bukan integer!
    n untuk operator * juga ga bisa..

    mohon pencerahannya
     
  2. gembel-intelek

    gembel-intelek Lurker

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    pake parseInt gan

    var x,y,z;
    x= parseInt(document.getElementById('a').value);
    y= parseInt(document.getElementById('b').value);
    z=x+y;
     
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  3. masadi

    masadi Super Hero

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    langsung beres deh... :swt2:
     
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  4. refi ridho

    refi ridho Newbie

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    Ok bang,, makasih \:D/\:D/\:D/\:D/\:D/
     

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