51help TIY
码：
<!DOCTYPE HTML> <html> <body> <form action="http://www.51help.tk/example/html5/demo_form.asp"> <input type="file" name="pic" accept="image/gif,image.jpg" /> <input type="submit" /> </form> <p><b>注释：</b>。</p> </body> </html>
查看结果: