web-lab-programs/program4.html at master · bhargav2103/web-lab-programs · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
<!DOCTYPE HTML>
<html>
	<body>
		<script type="text/javascript">
			var str = prompt("Enter the Input","");
			if(!(isNaN(str)))
			{
				var num,rev=0,remainder;
				num = parseInt(str);
				while(num!=0)
				{
					remainder = num%10;
					num = parseInt(num/10);
					rev = rev * 10 + remainder;
				}
				alert("Reverse of "+str+" is "+rev);
			}
			else
			{
				str = str.toUpperCase();
				for(var i = 0; i < str.length; i++)
				{
					var chr = str.charAt(i);
					if(chr == 'A' || chr == 'E' || chr == 'I' || chr == 'O' || chr == 'U')break;
				}
				if( i < str.length )
					alert("The position of the left most vowel is "+(i+1));
				else
					alert("No vowel found in the entered string");
			}
		</script>
	</body>
</html>