改变div布局里面的字体大小无效的问题 - 黑马程序员技术交流社区

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
.open{
overflow: visible;
}
.close{
overflow: hidden;
}
dl{
overflow: hidden;
height: 16px;
}
</style>
<script>
function changeSize (size) {
var divobj = document.getElementById("divid");
divobj.style.fontSize = size;
}
function list (node) {
var nodes = node.parentNode;
if (nodes.className == "open") {
nodes.className = "close";
}else
nodes.className = "open";
}
</script>
</head>
<body>
<a href="javascript:void(0)" onclick="changeSize("24px")">大</a>
<a href="javascript:void(0)" onclick="changeSize("16px")">中</a>
<a href="javascript:void(0)" onclick="changeSize("9px")">小</a><br/>
<div id = "divid">
是等覅水井坊款到即发两居室空间发<br/>
是等覅水井坊款到即发两居室空间发<br/>
是等覅水井坊款到即发两居室空间发<br/>
是等覅水井坊款到即发两居室空间发<br/>
是等覅水井坊款到即发两居室空间发<br/>
是等覅水井坊款到即发两居室空间发<br/>
是等覅水井坊款到即发两居室空间发<br/>
</div>
<dl>
<dt onclick="list(this)">是低价房打开附件</dt>
<dd>youxiang</dd>
<dd>youxiang</dd>
<dd>youxiang</dd>
</dl>
</body>
</html>

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