yige.org 试一个

<html>
<head>
<script type="text/javascript">
function changeLineHeight()
{
document.getElementById("div1").style.lineHeight="2";
}
</script>
</head>
<body>

<div id="div1">
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
This is some text. This is some text. This is some text.
</div>
<br />
<input type="button" onclick="changeLineHeight()"
value="Change line-height" />

</body>
</html>

结果:

编辑上面的代码，点击查看结果。

yige.org - 试一个