金山老师的笔记溢出的处理
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
#d1{
/* 容器 */
border: solid 1px red;
height: 200px;
width: 150px;
/* overflow: hidden; */
/* overflow : scroll;*/
/* overflow: auto; */
overflow-x: scroll;
}
#d2{
/* 出现移除的内容*/
width: 180px;
border: solid 2px green;
}
</style>
</head>
<body>
<div id="d1">
<div id="d2">222222</div>
</div>
</body>
</html>overflow 配合着浮动父容器，解决父容器高度他塌陷的问题
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
.container{
border: solid 1px blue;
overflow:hidden;
}
.class1 {
width: 200px;
height: 100px;
background: palegreen;
float: left;
}
.class2 {
width: 250px;
height: 130px;
background: gold;
float: left;
}
.class3 {
width: 300px;
height: 180px;
background: red;
float: left;
}
</style>
</head>
<body>
<div class="container">
<div class="class1">我是块级元素1，没有设置浮动</div>
<div class="class2">我是块级元素2，没有设置浮动222222222222222222222222222222222222222</div>
<div class="class3">我是块级元素3，没有设置浮动</div>
</div>
</body>
</html>