테스트 사이트 - 개발 중인 베타 버전입니다

textarea 글자수 카운트 입니다.

· 9년 전 · 341 · 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
12463
12462
12461
12460
12459
12458
12457
12456
12455
12454
12453
12452
12451
12450
12449
12448
12447
12446
12445
12444
12443
12442
12441
12440
12439