visibility:hidden、display:none、opacity:0区别
共同点:
visibility:hidden、display:none、opacity:0三者都可以使元素隐藏
区别在于:
1、visibility:hidden 保留dom节点,元素在文档流中占据空间,不引起重排和回流;父元素设置该属性时,子元素同样会生效,但可以通过visibility:visible;修改子元素的显示效果;
2、display:none 不保留dom节点,元素直接从文档流中删除,引起重排和回流,子元素同样被删除;
3、opacity:0 设置元素透明度为0,保留dom节点,元素在文档流中占据空间,子元素会继承父元素的opacity特性,但是子元素设置opacity:1;同样不会显示出来。
4、通过给元素设置rgba(x,x,x,0)为透明隐藏效果,但仍然会占据一片空间,且子元素不会受到影响
<!DOCTYPE html>
<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>Document</title>
<style>
.father1{
height: 200px;
width: 200px;
background-color: #aabbcc;
margin-top:20px;
display: none;
}
.son1{
height: 100px;
width: 100px;
background-color: #eeaaee;
display: block;
}
.father2{
opacity: 0;
height: 200px;
width: 200px;
background-color: #aabbcc;
margin-top:20px;
opacity: 0;
}
.son2{
height: 100px;
width: 100px;
background-color: #eeaaee;
opacity: 1;
}
.father3{
visibility: hidden;
height: 200px;
width: 200px;
background-color: #aabbcc;
margin-top:20px;
visibility: hidden;
}
.son3{
height: 100px;
width: 100px;
background-color: #eeaaee;
visibility: visible;
}
</style>
</head>
<body>
<div class="father1">
<div class="son1"></div>
</div>
<div class="father2">
<div class="son2"></div>
</div>
<div class="father3">
<div class="son3"></div>
</div>
<script></script>
</body>
</html>