效果体验：http://hovertree.com/texiao/jquery/26/
本效果适用于移动设备，可以使用手机等浏览效果。
代码下载：http://hovertree.com/h/bjaf/e14uccpw.htm
HTML代码如下：
<!doctype html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<title>jQuery+CSS3创意搜索框特效 - 何问起</title>
<link rel="stylesheet" type="text/css" href="http://hovertree.com/texiao/jquery/26/css/default.css" />
<!--必要样式-->
<link rel="stylesheet" type="text/css" href="http://hovertree.com/texiao/jquery/26/css/search-form.css" /> </head>
<body>
<div>
<a href="http://hovertree.com/">首页</a> <a href="http://hovertree.com/texiao/">特效</a> <a href="http://hovertree.com/h/bjaf/sousuokuang.htm">原文</a>
</div>
<form onSubmit="submitFn(this, event);" name="yestop">
<div class="search-wrapper">
<div class="input-holder">
<input type="text" class="search-input" placeholder="请输入关键词" name="hewenqi" />
<input type="hidden" name="q" />
<button class="search-icon" onClick="searchToggle(this, event);"><span></span></button>
</div>
<span class="close" onClick="searchToggle(this, event);"></span>
<div class="result-container"> </div>
</div>
</form> <script src="http://hovertree.com/ziyuan/jquery/jquery-1.12.0.min.js" type="text/javascript"></script>
<script type="text/javascript" src="http://hovertree.com/texiao/jquery/26/js/hovertreesearch.js"></script>
</body>
</html>
其中hovertreesearch.js的代码如下：
function searchToggle(obj, evt) {
var container = $(obj).closest('.search-wrapper');
if (!container.hasClass('active')) {
container.addClass('active');
evt.preventDefault();
}
else if (container.hasClass('active') && $(obj).closest('.input-holder').length == 0) {
container.removeClass('active');
// clear input
container.find('.search-input').val('');
// clear and hide result container when we press close
container.find('.result-container').fadeOut(100, function () { $(this).empty(); });
}
}
function submitFn(obj, evt) {
var value = $(obj).find('.search-input').val().trim();
var _html = "您搜索的关键词： ";
if (!value.length) {
_html = "关键词不能为空。";
}
else {
window.open("http://cn.bi" + "ng.com/search?q=site%3Ahove" + "rtree.com " + value + "&hewenqi=yestop");
_html += "<b>" + value + "</b>";
}
$(obj).find('.result-container').html('<span>' + _html + '</span>');
$(obj).find('.result-container').fadeIn(100);
evt.preventDefault();
}