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test.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
.calendar {
margin: 33px;
width: 300px;
height: 150px;
font-family: Arial, sans-serif;
background: #ff6363;
position: relative;
overflow: auto;
}
.header {
text-align: center;
}
.events {
position: absolute;
background: #1fc6f9;
width: 50px;
height: 50px;
top: 200px;
}
.b {
margin: 200px;
width: 300px;
height: 150px;
/* position: relative; */
font-family: Arial, sans-serif;
background: #03ff4a;
overflow: auto;
}
</style>
</head>
<body>
<div class="calendar">
父元素包裹一个子元素,两者分别采用relative和absolute,正常情况下子元素可以移动到父元素之外的任何位置,但父元素设置了overflow:auto的情况下,这种规则下跑出父元素宽高范围的子元素会撑开父元素来实现滚动(父元素还是原本的宽高,只多了滚动条)。
<div class="events">
<!-- Events will be dynamically added here -->
</div>
</div>
<div class="b">
对比
<br />
父元素包裹一个子元素,两者分别采用relative和absolute,正常情况下子元素可以移动到父元素之外的任何位置,但父元素设置了overflow:auto的情况下,这种规则下跑出父元素宽高范围的子元素会撑开父元素来实现滚动(父元素还是原本的宽高,只多了滚动条)。
<div class="events">
<!-- Events will be dynamically added here -->
</div>
</div>
</body>
</html>