HTML5 JS实现搜索匹配功能，希望对你有所帮助！
All.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>HTML5 JS实现搜索匹配功能-jq22.com</title>
<script src="js/jquery.3.5.1.min.js"></script>
<style>
div,li,ul {
margin:0;
padding:0;
}
ul li {
list-style:none;
}
.basic-grey {
width:600px;
margin:5% 10%;
}
.basic-grey .Companies {
position:relative;
}
.basic-grey .Companies ul {
position:relative;
height:210px;
width:100%;
overflow-y:auto;
border:1px solid #DDD;
display:none;
}
.basic-grey .Companies ul li {
padding:3px 12px;
}
.basic-grey .Companies ul li:hover {
background-color:#bebebe;
cursor:pointer;
}
.basic-grey .Companies ul li.top {
position:absolute;
top:0;
}
</style>
</head>
<body>
<link rel="stylesheet" type="text/css" href="http://www.jq22.com/jquery/bootstrap-3.3.4.css">
<div class="g-container">
<form action="" class="basic-grey">
<div class="form-group">
<label for="lastname" class="control-label">
公司选择:
</label>
<div class="Companies">
<input class="form-control" type="text" placeholder="请选择" autocomplete="off" id="js-groupId">
<input type="hidden" id="groupId">
<ul id="groupid">
<li data-id="827"><a href="javascript:void(0)">厦门集众筹智科技有限公司</a></li>
<li data-id="826"><a href="javascript:void(0)">苏州高新区文体发展有限公司</a></li>
<li data-id="825"><a href="javascript:void(0)">美罗城test</a></li>
<li data-id="824"><a href="javascript:void(0)">深圳市高收益科技开发有限公司</a></li>
<li data-id="823"><a href="javascript:void(0)">深圳市蜗爱生活科技开发有限公司</a></li>
<li data-id="815"><a href="javascript:void(0)">深圳市宇恒乐便利店管理有限公司</a></li>
<li data-id="814"><a href="javascript:void(0)">广东胜佳超市有限公司</a></li>
<li data-id="813"><a href="javascript:void(0)">顺义李先生说</a></li>
<li data-id="812"><a href="javascript:void(0)">十足集团股份有限公司</a></li>
<li data-id="811"><a href="javascript:void(0)">宏图三胞高科技术有限公司</a></li>
<li data-id="810"><a href="javascript:void(0)">九州连锁超市公司</a></li>
<li data-id="809"><a href="javascript:void(0)">李先生</a></li>
<li data-id="808"><a href="javascript:void(0)">李先生牛肉面快餐厅</a></li>
<li data-id="807"><a href="javascript:void(0)">李先生牛肉面快餐厅</a></li>
<li data-id="806"><a href="javascript:void(0)">美宜佳便利店有限公司</a></li>
<li data-id="805"><a href="javascript:void(0)">上海一嗨汽车租赁有限公司</a></li>
<li data-id="804"><a href="javascript:void(0)">龙湖商业地产（重庆区）</a></li>
<li data-id="803"><a href="javascript:void(0)">阜阳华联集团股份有限公司</a></li>
<li data-id="802"><a href="javascript:void(0)">百万庄园</a></li>
<li data-id="801"><a href="javascript:void(0)">百万庄园</a></li>
<li data-id="800"><a href="javascript:void(0)">上海恭胜酒店管理有限公司</a></li>
<li data-id="799"><a href="javascript:void(0)">北京好伦哥餐饮有限公司</a></li>
<li data-id="798"><a href="javascript:void(0)">富驿酒店集团有限公司</a></li>
</ul>
</div>
</div>
</form>
</div>
<script type="text/javascript">
jQuery.expr[':'].Contains = function(a,i,m){
return (a.textContent || a.innerText || "").toUpperCase().indexOf(m[3].toUpperCase())>=0;
};
function filterList(list) {
$('#js-groupId').bind('input propertychange',function () {
var filter = $(this).val();
if(filter) {
$matches = $(list).find('a:Contains(' + filter + ')').parent();
$('li', list).not($matches).slideUp();
$matches.slideDown();
} else {
$(list).find("li").slideDown();
}
});
}
$(function(){
filterList($("#groupid"));
$('#js-groupId').bind('focus',function(){
$('#groupid').slideDown();
}).bind('blur',function(){
$('#groupid').slideUp();
})
$('#groupid').on('click','li',function(){
$('#js-groupId').val($(this).text())
$('#groupId').val($(this).data('id'))
$('#groupid').slideUp()
});
})
</script>
</body>
</html>THE END
