Bootstrap关闭警报框时,添加淡入淡出效果

<!DOCTYPE html>
<html>
   <head>
      <title>Bootstrap Example</title>
      <link href = /bootstrap/css/bootstrap.min.css rel = stylesheet>
      <script src = /scripts/jquery.min.js></script>
      <script src = /bootstrap/js/bootstrap.min.js></script>
   </head>
   <body>
      <div class=container>
         <h2>Eclipse Refactoring</h2>
         <div class = alert alert-danger alert-dismissible fade in>
            <a href = # class = close data-dismiss=alert aria-label = close>×</a>
            To refactor code in Eclipse, try the below given steps in the video (You can also close this alert)
         </div>
      </div>
      <div class=container>
         <div class = embed-responsive embed-responsive-16by9>
            <iframe class = embed-responsive-item src = https://www.youtube.com/embed/YFVV6RAUnNg ></iframe>
         </div>
      </div>
   </body>
</html>

相关文章

<!DOCTYPE html> <html> <head> <titl...
<!DOCTYPE html> <html> <head> <titl...
<!DOCTYPE html> <html> <head> <titl...
<!DOCTYPE html> <html> <head> <titl...
<!DOCTYPE html> <html> <head> <titl...
<!DOCTYPE html> <html> <head> <titl...