爲什麼谷歌瀏覽器不顯示我的HTML代碼？

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我創建了一個文件「index.html」，並在谷歌瀏覽器中打開它，但是頁面沒有顯示任何內容。我認爲問題出在我的瀏覽器設置上，因爲該代碼在系統更新之前工作。但是，我找不到解決方案。這是我的代碼。爲什麼谷歌瀏覽器不顯示我的HTML代碼？

<!DOCTYPE html> 
    <html> 
    <head> 
     <meta charset="utf-8"> 
     <meta name="description" content="The page presents TOP 5 TV serials. Check them out!"/> 
     <meta name="keywors" content="TOP 5, serials, the best, the most interesting, watch, share"> 
     <title>The best serials - TOP 5!</title> 

     <style> 
     #container 
     { 
     width: 1000px; 
     margin-left: auto; 
     margin-right: auto; 
     } 
     #logo 
     { 
     background-color: black; 
     color: white; 
     text-align: center; 
     } 
     #nav 
     { 
     float: left; 
     background-color: lightgray; 
     width: 140px; 
     min-height: 620px; 
     padding: 10px; 
     } 
     #content 
     { 
     float: left; 
     width: 640px; 
     padding: 20px; 
     } 
     #ad 
     { 
     float: left; 
     background-color: lightgray; 
     width: 140px; 
     min-height: 620px; 
     padding: 10px; 
     } 
     #footer 
     { 
     clear: both; 
     background-color: black; 
     color: white; 
     text-align: center; 
     padding: 20px; 
     } 
     </style> 
    </head> 

    <body> 
     <div id="container"> 

     <div id="logo"> 
      <h1>The best serials - TOP 5!</h1> 
     </div> 

     <div id="nav"> 
      Dr House<br/> 
      True Detective<br/> 
      Breaking Bad<br/> 
      Big Bang Theory<br/> 
      The X Files<br/> 
     </div> 

     <div id="content"> 
      House (also called House, M.D.) is an American television medical drama that originally ran on the Fox network for eight seasons, from November 16, 2004 to May 21, 2012. The show's main character is Dr. Gregory House (Hugh Laurie), a pain medication-dependent, unconventional, misanthropic medical genius who leads a team of diagnosticians at the fictional Princeton–Plainsboro Teaching Hospital (PPTH) in New Jersey. 

      <br/><br/> 

      The show's premise originated with Paul Attanasio, while David Shore, who is credited as creator, was primarily responsible for the conception of the title character. The show's executive producers included Shore, Attanasio, Attanasio's business partner Katie Jacobs, and film director Bryan Singer. It was filmed largely in Century City. 
     </div> 

     <div id="ad"> 
      <img src="ad.jpg"/> 
     </div> 

     <div id="footer"> 
      The best serials - TOP 5! &copy; All rights reserved 
     </div> 
     </div> 

    </body> 
    </html>

來源

2016-06-21 Michael Cube

哪裏是你開''標籤或打開''標籤？請在一個代碼塊中顯示完整的HTML文件。 –