style.visibility和style.display的区别
2007-11-30 08:45
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<span style="color:red">它们都可以实现对域的隐藏,但visibility要占用域的空间,而display则不会!下面是一个测试</span>
<html>
<head>
<title>标题测试</title>
<script language="javascript">...
function testVisibility()
...{
document.all("tb_0").style.visibility="hidden";
}
function testDisplay()
...{
document.all("tb_0").style.display="none";
}
function test()
...{
document.all("tb_0").style.visibility="visible";
document.all("tb_1").style.visibility="visible";
document.all("tb_0").style.display="block";
document.all("tb_1").style.display="block";
}
</script>
</head>
<body>
<form name="form" method="post">
<table id="tb_0">
<tr>
<td>内容测试--visible</td>
</tr>
</table>
<table id="tb_1">
<tr>
<td>内容测试--hidden</td>
</tr>
</table>
<input type="button" onClick="test();" value="还原">
<input type="button" onClick="testVisibility();" value="测试visibility">
<input type="button" onClick="testDisplay();" value="测试display">
</form>
</body>
</html>
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