Name:-Ayush Maroti Wadje Roll No:-76 Class:-CO5I
Write a program in JavaScript for Checking the username="Gramin" and
Pass="Poly".
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Login</title>
<script type="text/javascript">
function myLogin() {
var username = document.getElementById("username").value ;
var password = document.getElementById("password").value;
if (username=="gramin" && password=="poly") {
alert("Login Sucessful!!");
} else {
alert("Login Failed!!");
}
}
</script>
<style type="text/css">
body{
background-color: lightgrey;
text-align: center;
margin-top:20%;
}
</style>
</head>
<body>
<h1>Login</h1>
<label>username: </label><input type="text" id="username"><br><br>
<label>password: </label><input type="password" id="password"><br><br>
<input type="button" onClick="myLogin()" name="submit" value="login">
</body>
</html>
Output:-
Write a JavaScript program for finding greatest amongst 3 number.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Greatest Number</title>
<script type="text/javascript">
var num1 = 10;
var num2 = 20;
var num3 = 30;
function myFunction() {
if(num1 >= num2 && num1 >= num3) {
alert( num1 +" is Greatest number");
}
else if (num2 >= num1 && num2 >= num3) {
alert(num2 + " is Greatest number");
}
else {
alert(num3 + " is Greatest number");
}
}
</script>
</head>
<body>
<h1>Prgram to find greatest number</h1>
<button onClick="myFunction()">Click</button>
</body>
</html>
Output:-
Write a JavaScript program for finding Factorial of no using For Loop.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script>
function fact() {
var i, num, f;
f = 1;
num = document.getElementById("num").value;
for(i = 1; i <= num; i++) {
f = f * i;
}
i = i - 1;
document.write(f);
}
</script>
</head>
<body>
<input type="text" name="" id="num">
<input type="button" onclick="fact()" value="Check">
</body>
</html>
Write a JavaScript program for generating Fibonacci series using while loop.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Fibonacci Series</title>
<script type="text/javascript">
function Fibonacci() {
var i = 0,j=1,k;
num = prompt("Enter number");
while(i<num) {
document.write(i+ "<br>");
k=i+j;
i=j;
j=k;
}
}
</script>
</head>
<body>
<input type="Button" name="" value="Click" onclick="Fibonacci()">
</body>
</html>
Write a JavaScript program for printing 10 to 1 using Do..While loop
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Print Number from 1 to 10</title>
<script type="text/javascript">
function Print() {
var i=10;
document.write("Number From 1 to 10" + "<br>")
do{
document.write(i + "<br>");
i--;
}while(i>=1)
}
</script>
</head>
<body>
<input type="Button" name="" value="Print" onclick="Print()">
</body>
</html>
Write a JavaScript program for checking the character is vowel or not using Swtich
case.
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Find</title>
<script type="text/javascript">
function Check() {
var ch;
ch = document.getElementById("char").value;
switch(ch) {
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
case 'A':
case 'E':
case 'I':
case 'O':
case 'U':
document.write("It is Vowel");
break;
default:
document.write("It is consant");
}
}
</script>
</head>
<body>
<input type="text" name="" id="char">
<input type="button" onclick="Check()" value="Find">
</body>
</html>
