H5 new input form, Form Properties

　　New form

• email, Email type　
• url, Url type
• date, date type
• time, time type
• month, type month
• week, week Type
• number, numeric types
• tel, phone type
• search, search box
• color, generates a color selection form

　　Form Properties

　　required = required, required, can not be empty

　　placeholder, prompt text (placeholders)

　　autofocus = autofocus, auto-focusing to a specified form

　　multiple = multiple, multiple choice paper submitted (used for uploading files)

　　autocomplete = off / on, filled out before displaying the value input box, on: open, off: off, by default

　　Using this property, you need two essential conditions:

　　①, to be placed in the form of the attribute name attribute while adding 

　　②, successful submission