JavaScript - NEB Board Exam Important Questions
Here are some of the most probable questions of Web Technology II (JavaScript) for upcoming NEB Board Exam :
1. Simple Event Handling
<html>
<head><title>Event
Handle</title>
<script
type="text/javascript">
function sayHello()
{
alert("Hello
World");
}
</script></head>
<body>
<input type="button"
onclick="return sayHello()" value="Click me" >
</body>
</html>
2. Factorial in JavaScript
<html><head><title>Factorial</title>
<script
type="text/javascript">
function fact()
{
var n=prompt("Enter
number");
var fact=1;
for(var i=1;i<=n;i++)
{
fact=fact*i;
}
document.write("Factorial
is:"+fact);
}
</script>
</head>
<body>
<input type="button"
onclick="fact()" value="FACTORIAL" >
</body></html>
3. FORM Validation in JavaScript
<html>
<head><title>MY FIRST
FORM</title>
<script type="text/javascript">
function validate()
{
var
name=document.form.name.value;
var
password=document.form.password.value;
if(name=="")
{
alert("Enter
valid name");
return
false;
}
else if(password.length<6)
{
alert("Enter
larger password");
return
false;
}
}
</script>
</head>
<body>
<form name="form"
action="" onsubmit="validate()" method="post"
>
Name:<input
type="text" name="name"><br><br>
Password:<input
type="password" name="password"><br><br>
<input type="submit"
value="Submit" >
</form></body></html>
4. Multiplication Table
<html><body>
<p>multiplication
table</p>
<script
type="text/javascript">
var n=prompt("Enter any
nummber:");
var i;
for(i=1;i<=10;i++)
{
document.write(n+"x"+i+"="+n*i);
document.write("<br>");
}
</script>
</body>
</html>
5. Check either number is Palidrome or not
<html>
<head><title>palindrome</title></head>
<body>
<script
type="text/javascript">
var n=parseInt(prompt("Enter
any number:"));
var rem,copy,rev=0;
copy=n;
while(n!=0)
{
rem=n%10;
rev=rev*10+rem;
n=parseInt(n/10);
}
document.write("Reverse
is:"+rev);
document.write("<br>");
if(rev==copy)
{
document.write("It
is palindrome");
}
else
{
document.write("It
is not palindrome");
}
</script></body></html>
6. Star Pattern
<html>
<body>
<script
type="text/javascript">
var n=prompt("Enter number
of rows");
var i,j;
for(i=n;i>=1;i--)
{
for(j=1;j<=i;j++)
{
document.write("*");
}
document.write("<br>");
}
</script></body></html>
7. Sum of two numbers
<html>
<head><title>ADD TWO
NUMBERS</title></head>
<body>
<script
type="text/javascript">
var a=parseInt(prompt("Enter
first number:"));
var b=parseInt(prompt("Enter
second number:"));
var c=a+b;
document.write("Sum
is" +c);
</script></body></html>
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