// Example: Enter scores to determine grades (if and switch two way)
<script>
var score = + prompt ( "Please enter your score");
if (score > 100) {
alert ( "not a valid score");
} else if (score >= 90) {
alert ( "excellent");
} else if (score >= 80) {
alert ( "good");
} else if (score >= 60) {
alert ( "pass");
} else if (score >= 0) {
alert ( "failed");
} else {
alert ( "not a valid score");
}
var score = + prompt ( "Please enter your score");
score is the score of the user input
var a = parseInt(score / 10);
switch (a) {
case 0 :
case 1 :
case 2 :
case 3 :
case 4 :
case 5 :
alert ( "failed");
break;
case 6 :
case 7 :
alert ( "pass");
break;
case 8 :
alert ( "good");
break;
case 9 :
case 10 :
alert ( "excellent");
break;
default:
alert ( "illegal digital input");
break;
}
</script>