javascript codes

Monday, March 30, 2015

FACTORIAL

FACTORIAL

<html>
<head><title>factorial</head></title>
<body>
<script language="javascript">
var i,n,fact=1;
n=prompt("enter the no_");
n=parseInt(n);
for(i=1;i<=n;i++)
{
fact=fact*i;
}
document.write("factorial of a no_"+fact);
</script></body></html>

SWITCH EXPRESSION

#SAMPLE:
<html>
<head><title>switch exp.</head></title>
<body>
<script>
var n;
switch(n){
case 1:document.write("one");
break;
case 2:document.write("two");
break;
default:document.write("number is wrong");
break;
}
</script></body></html>

#EXAMPLE:

function reward(amount) {
    var $reward = $("#reward");
    switch (amount) {
        case (amount >= 7500 && amount < 10000):
            $reward.text("Play Station 3");
            break;
        case (amount >= 10000 && amount < 15000):
            $reward.text("XBOX 360");
            break;
        case (amount >= 15000):
            $reward.text("iMac");
            break;
        default:
            $reward.text("No reward");
            break;
    }
}