[JavaScript] 조건에 따른 값 도출

JAVA_EE/JavaScript

[JavaScript] 조건에 따른 값 도출

luvforjunk 2021. 9. 10. 20:12

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[21.09.10] exam11

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script type="text/javascript">

        function f(x, y){

               var z = x + y;
         
               if(z < 10) {
                       return; //함수를 벗어나라
               }
               return z;
        }

        let a = f(2, 1);
        let b = f(5, 7);
        let c = f(10, 5);

        document.write("<h3>" + a + "</h3>"); // undefined - 선언은 되어 있지만 값이 없는 상태
        document.write("<h3>" + b + "</h3>");
        document.write("<h3>" + c + "</h3>");

</script>
</head>
<body>

</body>
</html>

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