Web_JavaScript/js09_functionArrow.html at main · Playdata-Bigdata-Course/Web_JavaScript · GitHub

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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>
    <h2>화살표 함수 연습</h2>

    <div id="view1"></div>
    <div id="view2"></div>
    <div id="view3"></div>

    <div id="view4"></div>
    <div id="view5"></div>
    <div id="view6"></div>


    <script>
        document.getElementById("view1").innerText = "a";

        function view2Print(){
            document.getElementById("view2").innerText = "b";
        }
        view2Print();

        //화살표 함수 구현 후 호출

        view3Print = () => {return "c";};
        //? view3에 c가 출력
        document.getElementById("view3").innerText = view3Print();

        //? 두개의 데이터값을 받아서 함한 결과값을 반환하는 화살표 함수 구현
        view4Sum = (a, b) => {return a + b;};
        document.getElementById("view4").innerText = view4Sum(10, 20);

        view5Sum = (a, b) => a + b;
        document.getElementById("view5").innerText = view5Sum(100, 200);

        view6Sum = (a, b) => {
            let data = a + b;
            document.getElementById("view6").innerText = data;
        };
        view6Sum(1000, 2000);
    </script>
</body>
</html>