Code:
<!DOCTYPE html>
<html>
<body>
<center>
<h2>First N Even Numbers</h2>
<p id="demo"></p>
<script>
var i=1;
var j=prompt("Enter the limit");
var k=2*j;
var text=" ";
for (var i=1;i<=k;i++)
{
if (i%2==0)
{
text=text+i+"<br>";
}
}
document.getElementById("demo").innerHTML=text;
</script>
</center>
</body>
</html>
Output:
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