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<!DOCTYPE html> <html> <head> <link id="myLink" rel="stylesheet" type="text/css" href="styles.css"> </head> <body> <h3>如何访问 LINK 元素的演示</h3> <h1>我使用链接样式表进行格式化</h1> <p>单击按钮获取链接文档的 URL。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("myLink").href; document.getElementById("demo").innerHTML = x; } </script> </body> </html>