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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>화살표 함수 만들고 호출하기</title>
<link rel="stylesheet" href="style_js.css">
</head>
<body>
<script>
let a = 3, b = 4;
let sum = (num1, num2) => num1 + num2;
document.write(a + " + " + b + " = " + sum(a, b));
</script>
</body>
</html>
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