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 <= i; 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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