源代碼
點擊運行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>教程</title> </head> <body> <a id="runoob" hreflang="zh-cn" href="http://www.sharebody.com/">教程</a><br> <script> document.write("返回鏈接的hreflang: "); document.write(document.getElementById('runoob').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("設置鏈接的hreflang: "); document.write(document.getElementById('google').hreflang); </script> </body> </html>
運行結果