1. Write a Java Script program that show message “My First
JavaScript program”
<html>
<body>
<script>
document.writeln
( "My First JavaScript program")
</script>
</body>
……………………………………………………………………….
2. Write a Java Script program that implements fibonacci
series.
<html>
<body>
<script type="text/javascript">
var
a=0,b=1,c;
document.write("Fibonacci
Number becomes=<br/>");
document.write(a);
document.write("<br/>");
document.write(b);
while
(b<=10)
{
c=a+b;
document.write("<br/>");
document.write(c);
a=b;
b=c;
}
</script>
</body>
</html>
………………………………………………………………………..
3. Write a Java Script program that check odd or even number
<html>
<head>
<script type="text/javascript">
var n = prompt("Enter a number ");
n = parseInt(n);
if (isNaN(n))
{
alert("Please Enter a Number");
}
else if (n == 0)
{
alert("The number is zero");
}
else if (n%2)
{
alert("The number is odd");
}
else
{
alert("The number is even");
}
</script>
</head>
<body>
</body>
</html>
…………………………………………………………………………
4. Write a Java Script program that switch between two web
sites.
<html>
<head>
<script type="text/javaScript">
function see()
{
var c= confirm("Click OK to see Google Homepage or
CANCEL to see wbut Homepage");
if (c== true)
{
window.location="http://www.google.co.in/";
}
else
{
window.location="http://www.wbutech.com/";
}
}
</script>
</head>
<body>
<center>
<form>
<input type="button" value="Click to chose
either Google or wbut" onclick="see()">
</form>
</center>
</body>
</html>
……………………………………………………………………………….
5. Write a Java Script program that check string is
palindrome or not.
<html>
<body>
<script type="text/javascript">
function
Palindrome() {
var revStr =
"";
var str =
document.getElementById("str").value;
var i =
str.length;
for(var j=i;
j>=0; j--) {
revStr =
revStr+str.charAt(j);
}
if(str == revStr)
{
alert(str+" -is Palindrome");
} else {
alert(str+" -is not a Palindrome");
}
}
</script>
<form >
Enter a
String/Number: <input type="text" id="str"
name="string" /><br />
<input
type="submit" value="Check"
onclick="Palindrome();"/>
</form>
</body>
</html>
………………………………………………………………………………
6. Write a Java Script program that shows different day
(input chosen by user)
<html>
<head>
<script type="text/javascript">
var n=prompt("Enter a number between 1 and 7");
switch (n)
{
case (n="1"):
document.write("Sunday");
break;
case (n="2"):
document.write("Monday");
break;
case (n="3"):
document.write("Tuesday");
break;
case (n="4"):
document.write("Wednesday");
break;
case (n="5"):
document.write("Thursday");
break;
case (n="6"):
document.write("Friday");
break;
case (n="7"):
document.write("Saturday");
break;
default:
document.write("Invalid Weekday");
break
}
</script>
</head>
</html>
……………………………………………………………….
7. Write a Java Script program addition of two numbers.
<html>
<head>
<script type="text/javascript">
var num1, num2,
sum
num1 =
prompt("Enter first number")
num2 =
prompt("Enter second number")
sum =
parseInt(num1) + parseInt(num2) // "+" means "add"
alert("Sum =
" + sum) // "+" means
combine into a string
</script>
</head>
</html>
…………………………………………………………………….
8. Write a Java Script program find out the radius of the
circle
<html>
<head>
<script type="text/javascript">
var rad, area;
rad =
prompt("Enter radius")
while (rad !=
null) {
area = 3.14 * rad * rad
alert("radius = " + rad + ", area = " + area)
document.write("<br> radius = " + rad + ", area =
" + area)
rad = prompt("Enter radius")
}
</script>
</head>
</html>
………………………………………………………………………
9. Write a Java Script program that shows the area of the
circle.
<html>
<head>
<script type="text/javascript">
var ln,br, area;
ln =
prompt("Enter height of the rectangle")
br =
prompt("Enter depth of the rectangle")
area = ln*br
alert("height = " + ln + ", depth ="+br+", area
of the rectangle = " + area)
document.write("height = " + ln + ", depth
="+br+", area area of the rectangle = " + area)
</script>
</head>
</html>
………………………………………………………………….
10. Write a Java Script program that merge two strings.
<html>
<head>
<script type="text/javascript">
var firstname,
secondname, result
firstname =
prompt("Enter first name")
secondname =
prompt("Enter last name")
result =
firstname + secondname // + means
"join" here
alert("hello, " + result)
</script>
</head>
</html>
……………………………………………………………………..
11. Write a Java Script program that sorting strings using
array.
<html>
<head>
<script type="text/javascript">
var name, i = 0,
j, temp
var names = new
Array()
// fill the array
with names
name =
prompt("Enter new name, or write ok to end")
while (name !=
"ok") {
document.write("<br> " + name)
names[names.length] = name
name = prompt("Enter new name, or
write ok to end")
}
document.write("<P> " + names.length + "
names")
// insertion sort
for (i = 0; i
< names.length-1; i++) {
for (j = i+1;
j < names.length; j++) {
if (names[i]
> names[j]) {
temp
= names[i]
names[i] = names[j]
names[j] = temp
}
}
}
// print names
for (i = 0; i
< names.length; i++) {
document.write("<br> " + names[i])
}
</script>
</head>
</html>
…………………………………………………………………………
12. Write a Java Script program that calculate factorial of
a number.
<html>
<head>
<script type="text/javascript">
function factorial(f,n)
{
l=1;
for(i=1;i<=n;i++)
l=l*i;
f.p.value=l;
}
</script>
</head>
<body>
<form>
number:<input type="text"
name="t"></br>
<input type="button" value="submit"
onClick="factorial(this.form,t.value)"></br>
result:<input type="text"
name="p"></br>
</form>
</body>
</html>
………………………………………………………………..
13. Write a Java Script program that check Armstrong number.
<html>
<head>
<script language="JavaScript">
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>
…………………………………………………………………….
14. Write Java Script program check a year is leap year or
not.
<html>
<head>
<script language="JavaScript">
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>
………………………………………………………………………
15. Write a Java Script program to print perfect number
<html>
<head>
<script language="JavaScript">
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>
…………………………………………………………………………..
16. Write a Java Script program that shows the number is
prime or not.
<html>
<head>
<script language="JavaScript">
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>
…………………………………………………………………..
17. Write a Java Script program reverse of a number
<html>
<head>
<script
language="JavaScript">
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>
No comments:
Post a Comment