按钮和隐藏控件
引入<buttton>元素的目的是让用户更好地控制按钮的显示方式,
<!DOCTYPE html> <!-- To change this license header, choose License Headers in Project Properties. To change this template file, choose Tools | Templates and open the template in the editor. --> <html> <head> <title>TODO supply a title</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> </head> <body> <div>TODO write content</div> <form action="http://www.example.com/add.php"> <button><img src="images/add.gif" alt="add" width="10" height="10" />Add</button> <input type="hidden" name="bookmark" value="lyrics" /> </form> </body> </html>