테스트 사이트 - 개발 중인 베타 버전입니다

textarea 글자수 카운트 입니다.

· 9년 전 · 344 · 1

index.html

<!DOCTYPE html>
<html xmlns='http://www.w3.org/1999/xhtml'>
    <head>
        <title>Input Counter</title>
        <meta http-equiv="content-type" content="text/html; charset=utf-8" />
        <link href="stylesheet.css" media="screen" rel="stylesheet" type="text/css" />
        <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.4/jquery.min.js" type="text/javascript"></script>
        <script src="application.js" type="text/javascript"></script>
    </head>
    <body>
        <div id="container">
            <form action="index.html" method="POST">
                <textarea></textarea>
                <span class="input-counter"></span>
                <input type="submit" id="input-submit" value="등록" />
            </form>
        </div>
    </body>
</html>


stylesheet.js

body {
    font-size: 12px;
    background: #FFF;
    color: #333;
    margin: 0;
}

#container {
    margin: 10px auto;
    width: 500px;
    padding: 10px;
    background: #CCC;
}

form {
    overflow: hidden;
    height: 100%;
}

textarea {
    display: block;
    width: 99%;
    height: 5.0em;
    margin-bottom: 0.5em;
}

span.input-counter {
    float: left;
    font-weight: bold;
    color: #000;
}

span.input-counter.disabled {
    color: #F00;
}

input#input-submit {
    float: right;
}


application.js

$(function() {
    var maxLength = 140;

    function updateInputCount() {
        var textLength = $('textarea').val().length;
        var count = maxLength - textLength;
        $('span.input-counter').text(count);
        if (count < 0) {
            $('span.input-counter').addClass('disabled');
            $('input#input-submit').prop('disabled', true);
        } else {
            $('span.input-counter').removeClass('disabled');
            $('input#input-submit').prop('disabled', false);
        }
    }

    $('textarea')
        .focus(updateInputCount)
        .blur(updateInputCount)
        .keypress(updateInputCount);
    window.setInterval(updateInputCount, 100);

    updateInputCount();
});

댓글 작성

댓글을 작성하시려면 로그인이 필요합니다.

로그인하기

댓글 1개

감사합니다.

게시글 목록

번호 제목
12438
12437
12436
12435
12434
12433
12432
12431
12430
12429
12428
12427
12426
12425
12424
12423
12422
12421
12420
12419
12418
12417
12416
12415
12414