的link rel属性

返回当前文档和链接文档之间的关系：

var x = document.getElementById("myLink").rel;

x的结果将是：

stylesheet

定义和用法

该REL属性设置或返回一个空格分隔的列表，它定义了当前文档和所链接的文档之间的关系。

该REL属性在所有主流浏览器的支持。

注：值“搜索”是不是在Opera和Safari支持。

注：值“侧边栏”是不是在IE，Safari浏览器或Chrome支持。

返回REL属性：

linkObject .rel

设置相对属性：

linkObject .rel=relationship

Value	Description
alternate	Linked page is an alternative version of the current document
appendix	Linked page is the appendix page for the current document
chapter	Refers to a chapter
contents	Linked page is the table of contents for the current document
copyright	Linked page is the copyright/policy for the current document
glossary	Linked page is the glossary page for the current document
help	Linked page is the help page for the current document
index	Linked page is the index page for the current document
next	Refers to the next page
offline	Refers to a location that contains a path to the CDF file
prev	Refers to the previous page
search	Refers to an XML file in OpenSearch description format
section	Link to a section in a list of documents
shortcut icon	Refers to an icon location
sidebar	Refers to the bookmark panel
start	Refers to the first page (used by search engines to show the first page)
stylesheet	Linked page is the style sheet for the current document
subsection	Linked page is a subsection for the current document

返回值：	一个字符串，代表关系类型的空格分隔的列表