94 lines
1.3 KiB
HTML
94 lines
1.3 KiB
HTML
<html><head>
|
|
<meta name="viewport" content="width=device-width">
|
|
<style>
|
|
.d1 {position:fixed; top:5; right:5; z-index:2; overflow:hidden;}
|
|
.o {background:green; height:40px; width:200px;}
|
|
.t { width:2000px; height:198px; background-color: lightgray; border: 1px solid blue;}
|
|
body { margin: 0px; }
|
|
</style>
|
|
<script>
|
|
|
|
var fixed;
|
|
|
|
function remove_child()
|
|
{
|
|
fixed = document.getElementById("d1");
|
|
fixed.parentElement.removeChild(fixed);
|
|
}
|
|
|
|
function add_child()
|
|
{
|
|
document.body.appendChild(fixed);
|
|
}
|
|
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<div class="d1" id="d1"><div class="o">This is a test</div></div>
|
|
<div class="t">
|
|
000
|
|
</div>
|
|
<div class="t">
|
|
200<br>
|
|
<button onclick="remove_child();">remove fixed</button>
|
|
</div>
|
|
<div class="t">
|
|
400<br>
|
|
<button onclick="add_child();">add fixed</button>
|
|
</div>
|
|
<div class="t">
|
|
600<br>
|
|
</div>
|
|
<div class="t">
|
|
800
|
|
</div>
|
|
<div class="t">
|
|
1000
|
|
</div>
|
|
<div class="t">
|
|
1200
|
|
</div>
|
|
<div class="t">
|
|
1400
|
|
</div>
|
|
<div class="t">
|
|
1600
|
|
</div>
|
|
<div class="t">
|
|
1800
|
|
</div>
|
|
<div class="t">
|
|
2000
|
|
</div>
|
|
<div class="t">
|
|
2200
|
|
</div>
|
|
<div class="t">
|
|
2400
|
|
</div>
|
|
<div class="t">
|
|
2600
|
|
</div>
|
|
<div class="t">
|
|
2800
|
|
</div>
|
|
<div class="t">
|
|
3000
|
|
</div>
|
|
<div class="t">
|
|
3200
|
|
</div>
|
|
<div class="t">
|
|
3400
|
|
</div>
|
|
<div class="t">
|
|
3600
|
|
</div>
|
|
<div class="t">
|
|
3800
|
|
</div>
|
|
<div class="t">
|
|
4000
|
|
</div>
|
|
</body></html>
|