Question

Name and explain any two input controls of the form, also write the syntax for each.​

Answer 1

Answer:

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Explanation:

XForms User Interface controls—form controls—are declared using markup elements, and their behavior refined via markup attributes. This markup may be decorated with class attributes that can be used in CSS stylesheets to deliver a customized look and feel. XForms user interface controls are bound to the underlying instance data using binding attributes as defined in the chapter 6 Constraints.

Form controls enable accessibility by taking a uniform approach to such features as captions, help text, tabbing and keyboard shortcuts. Internationalization issues are addressed by following the same design principles as in XHTML. All form controls are suitable for styling using Aural CSS (ACSS) style properties.

Form controls encapsulate high-level semantics without sacrificing the ability to deliver real implementations. For instance, form controls selectOne and selectMany enable the user select one or more items from a set. These form controls distinguish the functional aspects of the underlying control from the presentational aspects (through class attributes) and behavior (through XForms Action elements). This separation enables the expression of the intent underlying a particular form control—see [AUI97] for a definition of such high-level user interaction primitives.

Form controls when rendered display the underlying data values to which they are bound. While the data presented to the user through a form control must directly correspond to the bound instance data, the display representation is not required to exactly match the lexical value. For example, user agents should apply appropriate conventions to the display of dates, times, durations and numeric values including separator characters.