在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>菜鸟教程(cainiaoplay.com)</title>
<style>div.test
{
	white-space:nowrap; 
	width:12em; 
	overflow:hidden; 
	border:1px solid #000000;
}

div.test:hover
{
	text-overflow:inherit;
	overflow:visible;
}
</style>
</head>
<body>

<p>鼠标移动到框内，查看效果t.</p>

<div class="test" style="text-overflow:ellipsis;">This is some long text that will not fit in the box</div>
<br>
<div class="test" style="text-overflow:clip;">This is some long text that will not fit in the box</div>

</body>
</html>
源代码

动行结果
