html
html
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<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
</body>
</html>
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css
css
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body {
}
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js
js
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alert("Credit to Sivaraj Sivasubramaniam's challenge!");
var counter = 1;
var size = parseInt(prompt("Enter the size of the triangle: (Integer)"));
function createNumPalindrome(someinput)
{
let max = parseInt(someinput);
for(var i=1 ; i<=max ; i++)
{
document.write(i);
}
for(i=max-1 ; i>=1 ; i--)
{
document.write(i);
}
}
while(counter<=size)
{
createNumPalindrome(counter);
document.write("<br>");
counter++;
}
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