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제이쿼리

[제이쿼리] ready(), focus(), blur()

- ready()

<!DOCTYPE html>
<html lang="ko">

<head>
    <meta charset="UTF-8">
    <title>예제</title>

    <script src="js/jquery.min.js"></script>

    <script>
        $(document).ready(function() {
            $("#btn").hover(
            function() {
                alert("you entered!");
            },
            
            function() {
                alert("you out!");
            });
        });
    </script>
</head>

<body>
    <button id="btn">Button</button>
</body>

</html>

 

- focus(), blur()

<!DOCTYPE html>
<html lang="ko">

<head>
    <meta charset="UTF-8">
    <title>예제</title>

    <script src="js/jquery.min.js"></script>

    <script>
        $(document).ready(function() {
            $("input").focus(function() { // input 안쪽을 선택하면
                $(this).css("background-color", "yellow");
            });

            $("input").blur(function() { // input 바깥쪽을 선택하면
                $(this).css("background-color", "white");
            });
        });
    </script>
</head>

<body>
    Name : <input type="text" name="fullname"><br>
    Email : <input type="text" name="email"><br>
</body>

</html>