Javascript Interview Questions with Answers, Tips: June 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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Prime Number Program Source Code

Prime Number Program Source Code

<html>

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

alert(a);

var c=0;

for(var i=2;i<a;i++)

{

if(a%i==0)

{

c=i;

//alert("Now C IS:"+c);

}

if(c==0)

{

alert("given no is prime");

}

else

{

alert("given no is not a prime");

}

</script>

</head>

</html>

}

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Polyndrome program Source Code

Polyndrome program Source Code

<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);

}

if(sum==z)

{

alert("given no is polydrom");

}

else

{

alert("given no is not a polydrom");

}

</script>

</head>

</html>

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Perfect Number program Source Code

Perfect Number program Source Code

<html>

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

alert(a);

var z=a;

var c=0;

for(var i=1;i<a;i++)

{

//var c=0;

if(a%i==0)

{

c=c+i;

//alert("Now C IS:"+c);

}

if(c==z)

{

alert("given no is perfect");

}

else

{

alert("given no is not a perfect");

}

</script>

</head>

</html>

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Leap Year program Source code

Leap Year program Source code

<html>

var b,c;

var a=prompt("Enter year");

b=a%4;

c=a%400;

if(b==0||c==0)

{

alert("given year is leap year");

}

else

alert("given year is not a leap year");

</script>

</head>

</html>

Fibanocci Series

Fibanocci Series program Source code

<html>

var a=0;

var b=1;

alert(a);

var i;

for(i=0;i<=10;i++)

{

var c=a+b;

b=a;

a=c;

alert(c);

}

</script>

</head>

</html>

Factorial program Source Code

Factorial program Source Code -- Logic programs

<html>

var a=prompt("enter value");

var b=a;

var c=a;

for(i=2;i<a;i++)

{

c=c-1;

b=b*c;

}

alert(b);

</script>

</head>

</html>

Armstrong Number Program

Armstrong Number Program -- Source Code -- Logic programs

<html>

var b,z,c=0;

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

z=a;

while(z>0)

{

b=z%10;

c=c+(b*b*b);

z=parseInt(z/10);

}

if(a==c)

alert("given no is amstrong number");

else

alert("given no is not an amstrong number");

</script>

</head>

</html>

/**********************************<br>

<html>

var b,z,c=0;

//var a=prompt("Enter a number");

//z=a;

for(i=150;i<10000;i++)

{

z=i;

c=0;

while(z>0)

{

b=z%10;

c=c+(b*b*b);

z=parseInt(z/10);

}

if(i==c)

alert("given no is amstrong number"+i);

}

</script>

</head>

</html>

******************************************/

Javascript Interview Questions with Answers, Tips

Tuesday, June 29, 2010

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

Prime Number Program Source Code

Polyndrome program Source Code

Perfect Number program Source Code

Leap Year program Source code

Fibanocci Series

Factorial program Source Code

Armstrong Number Program

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