菜鸟教程在线编辑器

AI 编程工具
 
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<title>菜鸟教程(runoob.com)</title>
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<p><a id="func" rel="friend" href="https://www.functravel.com/">优惠航班</a></p>
<script>
document.write("当前文档和链接的文档之间的关系: ");
document.write(document.getElementById("func").rel);
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