<html>
<body>
<div class="example">
</div>
</body>
<html>
html{
height:100%;//让html的高度等于屏幕
}
body{
height:100%;
margin:0;
}
.example{
width: 100%;
height:100%;
background:rgb(55, 137, 243);
}
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<html>
<body>
<div class="example">
</div>
</body>
<html>
.example{
position: absolute;
top:0;
left:0;
bottom:0;
right:0;
background:rgb(55, 137, 243);
}
|
<html>
<body>
<div class="example2">
<span class="example"></span>
</div>
</body>
<html>
.example2{
position: relative;
width:100%;
height:100px;
}
.example{
position: absolute;
top:0;
left:0;
bottom:0;
right:0;
background:rgb(55, 137, 243);
}
|
<html>
<body>
<div class="example">
</div>
</body>
<html>
.example{
position: fixed;
top:0;
left:0;
bottom:0;
right:0;
background:rgb(55, 137, 243);
}
|
<html>
<body>
<div class="example">
</div>
</body>
<html>
html,body{
width:100%;
height:100%;
}
body{
display: flex;
}
.example{
background:#fc1;
flex:1 1 a
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<html>
<body>
<div class="example">
</div>
</body>
<html>
<script>
let example = document.getElementById('example')
let height = document.documentElement.clientHeight
example.style.height = `${height}px`
</script>
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