源代码:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Wfuyu(wfuyu.com)</title> <base id="htmldom" href="http://www.wfuyu.com/jsref/"> </head> <body> <p>基础URL是： <script> document.write(document.getElementById("htmldom").href); </script> </p> </body> </html>
运行结果：