效果说明:
当用户鼠标点击搜索输入框,可以显示预设商品信息,移除鼠标就隐藏内容,主要的思路是修改resultList里的原display样式none为block;
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>小米搜索框显示隐藏案例</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
ul {
list-style: none;
}
.mi {
position: relative;
width: 223px;
margin: 100px auto;
}
.mi .search-text {
width: 223px;
height: 48px;
padding: 0 10px;
font-size: 14px;
line-height: 48px;
border: 1px solid #e0e0e0;
outline: none;
}
/* 搜索框边框颜色 */
.mi .search {
border: 1px solid #ff6700;
}
/* 下拉菜单 */
.result-list {
position: absolute;
left: 0;
top: 48px;
display:none;
width: 223px;
border: 1px solid #ff6700;
border-top: 0;
background: #fff;
}
.result-list a {
padding: 6px 15px;
font-size: 12px;
color: #424242;
text-decoration: none;
}
.result-list a:hover {
background-color: #eee;
}
</style>
</head>
<body>
<div class="mi">
<input type="search" placeholder="小米笔记本" class="search-text">
<ul class="result-list">
<li><a href="#">全部商品</a></li>
<li><a href="#">小米11</a></li>
<li><a href="#">小米10S</a></li>
<li><a href="#">小米笔记本</a></li>
<li><a href="#">小米手机</a></li>
<li><a href="#">黑鲨4</a></li>
<li><a href="#">空调</a></li>
</ul>
</div>
<script>
const searchText = document.querySelector('.search-text')
const resultList = document.querySelector('.result-list')
// resultList.style.display='none'
searchText.addEventListener('focus',function(){
resultList.style.display='block'
searchText.classList.add('search')
})
searchText.addEventListener('blur',function(){
resultList.style.display='none'
searchText.classList.remove('search')
})
</script>
</body>
</html>
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