本文實(shí)例為大家分享了jQuery點(diǎn)擊加載更多效果的具體代碼,供大家參考,具體內(nèi)容如下
代碼如下:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>jquery showMore 顯示更多</title>
<script type="text/javascript" src="js/jquery-1.8.3.js"></script>
<script type="text/javascript" src="js/jquery.showMore.js"></script>
</head>
<body>
<ul class="showMoreNChildren" pagesize="5">
<li>a</li>
<li>b</li>
<li>c</li>
<li>d</li>
<li>e</li>
<li>f</li>
<li>g</li>
<li>h</li>
<li>i</li>
<li>j</li>
<li>k</li>
<li>m</li>
<li>a</li>
<li>b</li>
<li>c</li>
<li>d</li>
<li>e</li>
<li>f</li>
<li>g</li>
<li>h</li>
<li>i</li>
<li>j</li>
<li>k</li>
<li>m</li>
</ul>
<ul class="mynews" pagesize="4">
<li>news 11</li>
<li>news 12</li>
<li>news 13</li>
<li>news 14</li>
<li>news 21</li>
<li>news 22</li>
<li>news 23</li>
<li>news 24</li>
<li>news 31</li>
<li>news 32</li>
<li>news 33</li>
<li>news 34</li>
</ul>
<script type="text/javascript">
//調(diào)用顯示更多插件。參數(shù)是標(biāo)準(zhǔn)的 jquery 選擇符
$.showMore(".showMoreNChildren,.mynews");
</script>
</body>
</html>
JavaScript code
(function () {
var showMoreNChildren = function ($children, n) {
//顯示某jquery元素下的前n個(gè)隱藏的子元素
var $hiddenChildren = $children.filter(":hidden");
var cnt = $hiddenChildren.length;
for (var i = 0; i < n && i < cnt ; i++) {
$hiddenChildren.eq(i).show();
}
return cnt - n;//返回還剩余的隱藏子元素的數(shù)量
}
jQuery.showMore = function (selector) {
if (selector == undefined) { selector = ".showMoreNChildren" }
//對頁中現(xiàn)有的class=showMorehandle的元素,在之后添加顯示更多條,并綁定點(diǎn)擊行為
$(selector).each(function () {
var pagesize = $(this).attr("pagesize") || 10;
var $children = $(this).children();
if ($children.length > pagesize) {
for (var i = pagesize; i < $children.length; i++) {
$children.eq(i).hide();
}
$("<div class='showMorehandle' >顯示更多</div>").insertAfter($(this)).click(function () {
if (showMoreNChildren($children, pagesize) <= 0) {
//如果目標(biāo)元素已經(jīng)沒有隱藏的子元素了,就隱藏“點(diǎn)擊更多的按鈕條”
$(this).hide();
};
});
}
});
}
})();
以上就是本文的全部內(nèi)容,希望對大家的學(xué)習(xí)有所幫助。