Javascript Interview Questions with Answers, Tips: Reverse OF A Number program code and Reverse OF A String program

Tuesday, June 29, 2010

Reverse OF A Number program code and Reverse OF A String program

Reverse OF A Number program code and Reverse OF A String program source code

Reverse OF A Number

<html>

var a=prompt("Enter a value");

var b,sum=0;

var z=a;

while(a>0)

{

b=a%10;

sum=sum*10+b;

a=parseInt(a/10);

}

alert(sum);

</script>

</head>

</html>

Reverse Of A String

<html>
<head><TITLE></TITLE>
<script language="JavaScript">
var a=prompt("Enter a string");
var b='';

sum=0;
var z=a.length;
alert("Length:"+z)

for(i=z-1;i>=0;i--)
{
b+=a[i];

}
alert("Reverse of a Number"+a+"is:"+b);
</script>
</head>
<body></body>
</html>

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