<!DOCTYPE html> <html> <body> <h1>Document 对象</h1> <h2>links 属性</h2> <p><a href="/html/index.html">HTML 教程</a></p> <p><a href="/css/index.html">CSS 教程</a></p> <p>文档中的链接数为:</p> <p id="demo"></p> <script> let numb = document.links.length; document.getElementById("demo").innerHTML = numb; </script> </body> </html>