JAVASCRIPTCN.COM
源代码:
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>JavaScript中文网(javascriptcn.com)</title> </head> <body> <a id="javascriptcn" hreflang="zh-cn" href="http://www.javascriptcn.com/">JavaScript中文网</a><br> <script> document.write("返回链接的hreflang: "); document.write(document.getElementById('javascriptcn').hreflang); document.write("<br><br>"); </script> <a id="google" href="http://www.google.com/">Google</a><br> <script> document.getElementById('google').hreflang="no"; document.write("设置链接的hreflang: "); document.write(document.getElementById('google').hreflang); </script> </body> </html>
运行结果