HTML5 New Form Attributes

New form attributes:

• autocomplete
• novalidate
  
  

New input attributes:

• autocomplete
• autofocus
• form
• form overrides (formaction, formenctype, formmethod, formnovalidate, formtarget)
• height and width
• list
• min, max and step
• multiple
• pattern (regexp)
• placeholder
• required
 

Form Override Attributes
• The form override attributes allow you to override some of the attributes set for the form element.
  The form override attributes are:
• formaction - Overrides the form action attribute
• formenctype - Overrides the form enctype attribute
• formmethod - Overrides the form method attribute
• formnovalidate - Overrides the form novalidate attribute
• formtarget - Overrides the form target attribute
Source:http://www.w3schools.com/