This is single character key that either gives focus to an password element (in some browsers) or activates a form control or link action.

Removes focus from the current password object, at which time the object's onblur event fires.

Specifies whether the element is available for user interaction. When set to true , the element cannot receive focus or be modified by the user

Gives focus from the current password object, at which time the password object's onfocus event fires.

This is a number that indicates the sequence of this password element within the tabbing order of all focusable elements in the document