题解 | #点击按钮隐藏元素#
点击按钮隐藏元素
https://www.nowcoder.com/practice/9b0016737b3040aaa61316890f1ac3f8
<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<style type="text/css">
.box {
width: 100px;
height: 100px;
border: solid 1px black;
/*补全代码*/
position: relative;
}
.btn{
position: absolute;
right: -10px;
top: -10px;
width: 20px;
height: 20px;
background-color: red;
/*补全代码*/
text-align: center;
line-height: 20px;
}
</style>
</head>
<body>
<div class='box'>
<div class='btn'>X</div>
</div>
<script type="text/javascript">
var btn = document.querySelector('.btn');
var box = document.querySelector('.box');
btn.onclick = function(){
// 补全代码
box.style.display = 'none'
}
</script>
</body>
</html>
<html>
<head>
<meta charset=utf-8>
<style type="text/css">
.box {
width: 100px;
height: 100px;
border: solid 1px black;
/*补全代码*/
position: relative;
}
.btn{
position: absolute;
right: -10px;
top: -10px;
width: 20px;
height: 20px;
background-color: red;
/*补全代码*/
text-align: center;
line-height: 20px;
}
</style>
</head>
<body>
<div class='box'>
<div class='btn'>X</div>
</div>
<script type="text/javascript">
var btn = document.querySelector('.btn');
var box = document.querySelector('.box');
btn.onclick = function(){
// 补全代码
box.style.display = 'none'
}
</script>
</body>
</html>
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