jquery.fastLiveFilter.js输入自动过滤功能演示实例

时间：2014-04-15 08:42 来源：互联网作者：源码搜藏浏览：次收藏挑错推荐打印

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>jQuery过滤器插件fastLiveFilter</title>
<script src="http://www.codefans.net/ajaxjs/jquery-1.6.2.min.js"></script>
<script>
//jquery.fastLiveFilter.js
jQuery.fn.fastLiveFilter = function(list, options) {
	options = options || {};
	list = jQuery(list);
	var input = this;
	var lastFilter = '';
	var timeout = options.timeout || 0;
	var callback = options.callback || function() {};
	var keyTimeout;
	var lis = list.children();
	var len = lis.length;
	var oldDisplay = len > 0 ? lis[0].style.display : "block";
	callback(len);
	input.change(function() {
		var filter = input.val().toLowerCase();
		var li, innerText;
		var numShown = 0;
		for (var i = 0; i < len; i++) {
			li = lis[i];
			innerText = !options.selector ? 
				(li.textContent || li.innerText || "") : 
				$(li).find(options.selector).text();
			if (innerText.toLowerCase().indexOf(filter) >= 0) {
				if (li.style.display == "none") {
					li.style.display = oldDisplay;
				}
				numShown++;
			} else {
				if (li.style.display != "none") {
					li.style.display = "none";
				}
			}
		}
		callback(numShown);
		return false;
	}).keydown(function() {
		clearTimeout(keyTimeout);
		keyTimeout = setTimeout(function() {
			if( input.val() === lastFilter ) return;
			lastFilter = input.val();
			input.change();
		}, timeout);
	});
	return this;
}
</script>
<script>
    $(function() {
        $('#search_input').fastLiveFilter('#search_list');
    });
</script>
<style type="text/css">
body { margin: 0px; background-color: #F6F6F6; }
.jq22{ width: 600px; height: 500px; margin-left: auto; margin-right: auto; background-color: #FFFFFF; padding: 10px; }
</style>
</head>

<body>
<div class="jq22">
<input id="search_input" placeholder="输入文字开始筛选">
<ul id="search_list">
    <li>One</li>
    <li>Two</li>
    <li>Three</li>
	<li>One</li>
    <li>awo</li>
    <li>bhree</li>
	<li>cne</li>
    <li>dwo</li>
    <li>ehree</li>
	<li>fne</li>
    <li>gwo</li>
    <li>hhree</li>
	<li>ihree</li>
</ul>
</div>
</body>
</html>

jquery.fastLiveFilter.js输入自动过滤功能演示实例

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