Form elements
The Form element lies in two aspects, one is interacting with js, and second, to submit data to the server.
form | Form definition for user input |
input | Define the input field |
textarea | Defined text fields |
label | Custom Label |
fieldset | It defines a set of related form elements, comprising a frame and use them |
legend | It defines the title of the fieldset element |
select | Defines the drop-down list |
OPTGROUP | Defined set of options |
option | Defined drop-down list of options |
button | Define a click of a button |
datalist | Enter a specified list of predefined control options |
keygen | Defined form key pair generator field |
output | Define a calculation |
Front-end to back-end data submission
1, submit the URL directly through the navigation frame, this way is a way to get submitted
2, form by form submission, you can specify submission
3, submitted by js script that ajax, you can define true / false decide whether to turn ajax. You can also specify submission
Way to the front of the back-end data submission
1, the steering
2. Redirect
3、ajax