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HTML DOM rev 属性

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定义和用法

The rev property sets or returns the relationship between the target URL and the current document.

The rel and rev properties work together. Those two properties are used by search engines to provide a linked navigation menu.

语法

linkObject.rev=relationship

The rel property can have one of the following values:

Value	Description
appendix	Link to the appendix page of the document
alternate	Link to an alternative source of the document
bookmark	Link to a bookmark
chapter	Link to a chapter
contents	Link to the table of contents of the document
copyright	Link to copyright or the policy of the document
glossary	Link to the glossary page of the document
index	Link to the index page of the document
next	Link to the next page
prev	Link to the previous page
section	Link to a section in a list of documents
start	Link to the first page (used by search engines to show the first page)
stylesheet	Link to the style sheet of the document.
subsection	Link to a sub-section in a list of current documents

实例

The following example returns the relationship between the target URL and the current document:

<html>
<head>
<link rev="subsection" id="link1" 
href="/htmldom/prop_link_rev.asp" />
</head>
<body>

<script type="text/javascript">
x=document.getElementById("link1");
document.write("Reverse relationship: " + x.rev);
document.write("<br />This page is a subsection of: ");
document.write(x.href);
</script>

</body>
</html>