Slip 28 - A) Write a JavaScript program to construct the following pattern up to n lines, using a nested for loop.

Solution:

<HTML>

<head>

<script>

function find()

{

var no1=parseInt(frm.txt1.value);

for (i=1; i<=no1; ++i)

43

{

for (j=1; j<=i; ++j)

{

document.write("* ");

}

document.write("<br>");

}

}

</script>

</head>

<body>

<form name="frm">

Enter a Number:<input name="txt1" type="text" /><br><br>

<input name="b1" onclick="find();" type="button" value="display" /></form>

</BODY>

</HTML>

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