This content originally appeared on DEV Community and was authored by SELVAKUMAR R
Switch case is the control flow statement it execute the different block of code based upon the expression
It is the alternative for the if-else statement
Ex:
let mark = prompt("Enter the mark");
switch(true){
case (mark>=90):
console.log("Your grade is A+");
break;
case (mark>=80):
console.log("Your grade is A");
break;
case (mark>=70):
console.log("Your grade is B+");
break;
case (mark>=60):
console.log("Your grade is B");
break;
case (mark >=50):
console.log("Your grade is C");
break;
Default:
console.log("Your are fail");
break;
}
Task:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>login checks</title>
<script>
const username = "selvakumar";
const password = "1234";
let InputUsername = prompt("Enter the Username");
let InputPassword = prompt("Enter the password");
if (InputUsername == username && InputPassword == password) {
alert("login Successfully");
} else{
alert ("Invalid Login");
}
const option = prompt("welcome to dashbord \n 1 view profile \n 2 settings \n 3 logout");
</script>
</head>
<body>
</body>
</html>
This content originally appeared on DEV Community and was authored by SELVAKUMAR R