Those things form form

1. form Form abbreviated
form # ff + tab =

input: s submit written in Chinese value inside input: b button select> option * 4

2. form of Id
form in any form with id name can not duplicate
label is for an id name can only be equal to

3.
Method, presented in a way: get (the address bar submission, clearly submitted, the maximum can not exceed 2kb) | post (request submitted in advance, are hidden, implicit commit an upper limit of 2M)
Action submitted address: a href with a similar jump to another page (click on the submit button to get to the page) # represents the current page can
get and post differences
get obtains user information including passwords
post safer
get way
post way

so post will need to add value and background about
4.value
radio and multiple choice radio must write value, the CheckBox
the Submit also write the value
5. picture + form
when the forms in front of a picture form, provided images vertical-align: bottom can form images with aligned