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jQuery length¿Í slideToggle ¿¹Á¦
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º» ±ÛÀº jQueryÀÇ 'length'¿Í 'slideToggle'¿¡ ´ëÇÑ ¿¹Á¦ÀÔ´Ï´Ù.

<!DOCTYPE html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<title>length ¿¹Á¦.</title>

<style>
html, body, ul, ol, dl, h1, h2, h3, h4, h5, h6, p {margin: 0; padding: 0;}
ul,ol,dl {list-style: none;}
a {color: #454545; text-decoration: none; outline: none;}
header nav {padding: 20px;}
header nav h3 {margin-bottom: 20px; cursor: pointer;}
header nav > ul > li {margin-bottom: 15px;}
header nav > ul > li li {display: block; margin-left: 7px; padding: 3px; font-size: 14px;}
</style>

<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
    // Category Count
    jQuery('#gnb ul').each(function(){
        var totalCateNum = jQuery(this).children('li').length;
        jQuery(this).prev('h4').children('span').append(totalCateNum);
        return true;
    });
    jQuery('header nav h3 span').append(jQuery('#gnb li').length-jQuery('#gnb h4').length);

    // Ä«Å×°í¸® Ŭ¸¯½Ã ¸Þ´ºÅä±Û
    $('header nav h3').click(function(){
        $('#gnb ul').stop().slideToggle(400); // ¿¬¼Ó Ŭ¸¯½Ã Ŭ¸¯ ¼ö ¸¸Å­ ¾Ö´Ï¸ÞÀ̼ÇÀÌ µ¿ÀÛÇÏÁö ¾Êµµ·Ï .stop()À» °É¾îÁÖ¾úÀ½.
    });
});
</script>
</head>
<body>
<header>
    <nav>
        <h3>Ä«Å×°í¸® (<span></span>)</h3>
        <ul id="gnb">
            <li>
                <h4>ºÐ·ù¸í1 (<span></span>)</h4>
                <ul class="subCate">
                    <li><a href="#">Ä«Å×°í¸®1-1</a></li>
                    <li><a href="#">Ä«Å×°í¸®1-2</a></li>
                    <li><a href="#">Ä«Å×°í¸®1-3</a></li>
                    <li><a href="#">Ä«Å×°í¸®1-4</a></li>
                </ul>
            </li>
            <li>
                <h4>ºÐ·ù¸í2 (<span></span>)</h4>
                <ul class="subCate">
                    <li><a href="#">Ä«Å×°í¸®2-1</a></li>
                    <li><a href="#">Ä«Å×°í¸®2-2</a></li>
                    <li><a href="#">Ä«Å×°í¸®2-3</a></li>
                </ul>
            </li>
            <li>
                <h4>ºÐ·ù¸í3 (<span></span>)</h4>
                <ul class="subCate">
                    <li><a href="#">Ä«Å×°í¸®3-1</a></li>
                    <li><a href="#">Ä«Å×°í¸®3-1</a></li>
                </ul>
            </li>
            <li>
                <h4>ºÐ·ù¸í4 (<span></span>)</h4>
                <ul class="subCate">
                    <li><a href="#">Ä«Å×°í¸®4-1</a></li>
                    <li><a href="#">Ä«Å×°í¸®4-2</a></li>
                    <li><a href="#">Ä«Å×°í¸®4-3</a></li>
                </ul>
            </li>
            <li>
                <h4>ºÐ·ù¸í5 (<span></span>)</h4>
                <ul class="subCate">
                    <li><a href="#">Ä«Å×°í¸®5-1</a></li>
                    <li><a href="#">Ä«Å×°í¸®5-2</a></li>
                    <li><a href="#">Ä«Å×°í¸®5-3</a></li>
                    <li><a href="#">Ä«Å×°í¸®5-4</a></li>
                    <li><a href="#">Ä«Å×°í¸®5-5</a></li>
                </ul>
            </li>
        </ul>
    </nav>
</header>
</body>
</html>
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