Like:-
54321
4321
321
21
1
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 sp =1 ; sp <= i; sp++) {
document.write(" ");
}
for (var j = num - i + 1; j >= 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>
54321
4321
321
21
1
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 sp =1 ; sp <= i; sp++) {
document.write(" ");
}
for (var j = num - i + 1; j >= 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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