我想用js改变css href.
<!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" lang="ko" xml:lang="ko">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title> New Document </title>
<link rel="stylesheet" href="u1.css" type="text/css" />
</head>
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我必须修复上面的代码.
<link rel="stylesheet" href="u1.css" type="text/css" />
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变成
<link rel="stylesheet" href="u2.css" type="text/css" />
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我可以在head标签中更改css href吗?可能吗?