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Thread: For loop with complex variable

  1. #1
    Join Date
    Aug 2011
    Posts
    2

    For loop with complex variable

    I need to see output as cat,dog,fish,bird what syntax I suppose to use.

    <script>
    a1=cat;
    a2=dog;
    a3=fish;
    a4=bird;
    for (var i = 1;i <= 4; i++){
    document.writeln(ai);
    }
    </script>

  2. #2
    Join Date
    May 2006
    Location
    Somewhere behind your screen
    Posts
    1,648
    Code:
    <!DOCTYPE HTML>
    <html>
    <head>
    <meta http-equiv="content-type" content="text/html; charset=utf-8" />
    <title>123</title>
    <style type="text/css">
    body{color:#000;background-color:#fff;font-family:'Bookman Old Style',Georgia,Verdana;font-size:14px;text-align:center;font-weight:bold;margin-top:300px;}
    </style>
    <script type="text/javascript">
    var animals=['cat','dog','fish','bird'];
    window.onload=function(){document.getElementById('output').innerHTML=animals;}
    </script>
    </head>
    <body>
    <div id="output"></div>
    </body>
    </html>
    xxx: Guess Buddhist riddle: "What is the sound of one hand clapping?"
    yyy: facepalm

  3. #3
    Join Date
    Sep 2007
    Location
    istanbul
    Posts
    315
    Code:
      
    <script type="text/javascript">
    
    // http://www.w3schools.com/jsref/jsref_obj_string.asp
    // http://www.w3schools.com/jsref/jsref_slice_string.asp
    // http://www.w3schools.com/jsref/jsref_eval.asp
    
    var a1 = 'cat';
    var a2 = 'dog';
    var a3 = 'fish';
    var a4 = 'bird';
    var str =  '';
    
    for (var i = 1;i <= 4; i++){
    
    str = str + eval('a'+i) + ','; 
    
    }
    
    alert(str);  // cat,dog,fish,bird, 
    
    str = str.slice(0, str.length-1);
    
    alert(str); // cat,dog,fish,bird 
    
    document.write(str);
    
    </script>
    Bismillahirrahmanirrahîm
    Hamd, Âlemlerin Rabbi, Rahmân, Rahîm, hesap ve ceza gününün (ahiret gününün) maliki Allah'a mahsustur. (Allahım!) Yalnız sana ibadet ederiz ve yalnız senden yardım dileriz. Bizi doğru yola, kendilerine nimet verdiklerinin yoluna ilet; gazaba uğrayanların ve sapıklarınkine değil.

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