Javascript
switch문
Linda~!
2020. 3. 10. 11:44
case문의 값은 상수(리터럴)만 가능
예) case 1 :
casee 2.7 :
case "Seoul" :
case true :
case 2+3 : //계산되어서 case 5 : 랑 동일
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<h3>switch문</h3><hr>
<script>
var price = 0;
var coffee = prompt("무슨 커피 드릴까요?","에스프레소");
switch (coffee) {
case "에스프레소":
// price = 2000;
//break;
case "espresso":
price = 2000;
break;//switch를 빠져나감.
case "카푸치노":
price = 3000;
break;
case "카페라떼":
price = 3500;
break;
default: //옵션이에요. else랑 비슷!
document.writeln(coffee+"는 없습니다.")
break;
}
if(price!=0){
document.writeln(coffee+"는 "+price+"원입니다.")
}
document.writeln("<br>");
if (coffee==espresso||에스프레소){
price = 2000;
}else if (coffee==카푸치노){
price = 3000;
}else if (coffee==카페라떼){
price = 3500;
}
if(price>0){
document.writeln(coffee+"는"+price+"입니다.")
} else{
document.writeln(coffee+"는 없습니다.")
}
</script>
</body>
</html>
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