Friday, 22 November 2013

Logical Pattern Questions And Answers using JS

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Ans:-

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title></title>
    <script type="text/javascript">
    function f1(){
    var num=document.getElementById("txtNum").value;
    for (var i = 1; i <= num; i++) {
        for (var j = 1; j <= num-i+1; j++) {
            document.write(j);
        }
        document.writeln("<br/>");
    }
  
    }
  
    </script>
</head>
<body>
    <input id="txtNum" type="text" />
    <input id="btnPattern" type="button" value="button" onclick="f1()"/>
</body>
</html>

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