Switch

Switch- By using switch statement we can check multiple expressions/conditions and execute their related statements otherwise default statement will execute.

E.g.

<html>

<head>

<title>Switch Statement</title> 

</head>

<body>
<form name="form1">
Enter your grade (A to E):<input type="text" name="grd">
<input type="button" onclick="check()" value="Check">
</form>
<script language="JavaScript">
function check()
{
var a = document.form1.grd.value;
switch(a)
{
case"A":alert("Excellent");

break;

case"B":alert("Pretty Good");
break;
case"C":alert("Passed");
break;
case"D":alert("Not so good");
break;
case"E":alert("Failed");

break;
default:alert("Unknown grade");
}
}
</script>
</body>

</html>

Check Output: Switch Statement

Switch

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