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The id property sets or returns the id of the body.
id属性可设置或返回body的id
bodyObject.id=id |
The following example shows two methods on how to get the id of the <body> element:
如何使用两种方法来得到<body>元素的id
<html>
<body id="myid">
<script type="text/javascript">
x=document.getElementsByTagName('body')[0];
document.write("Body id: " + x.id);
document.write("<br />");
document.write("An alternate way: ");
document.write(document.getElementById('myid').id);
</script>
</body>
</html> |
Output:
输出
Body id: myid An alternate way: myid |
Return the id of the <body> element
返回<body>元素的id
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