button
http://www.w3schools.com/tags/tag_button.asp
type 種類
- submit
- button
- reset
type
submit
- formaction: e.g. demo_post.asp
- formmethod: e.g. post
<form action="demo_form.asp" method="get">
First name: <input type="text" name="fname"><br>
Last name: <input type="text" name="lname"><br>
<button type="submit">Submit</button>
<button type="submit" formmethod="post" formaction="demo_post.asp">Submit using POST</button>
</form>
formenctype: e.g. multipart/form-data
<form action="demo_form.asp" method="get">
First name: <input type="text" name="fname"><br>
Last name: <input type="text" name="lname"><br>
<button type="submit">Submit</button>
<button type="submit" formenctype="multipart/form-data">Submit using POST</button>
</form>
http://www.w3schools.com/tags/att_button_formmethod.asp
formtarget
form-target