---
title: KeymanWeb Reference
---

[KeymanWeb Overview](overview)
:   KeymanWeb is a cross-browser JavaScript input method solution.

[KeymanWeb Core Module](core)
:   The KeymanWeb core module is exposed to the developer as `window.keyman`.

[On-Screen Keyboard Module](osk)
:   The On-Screen Keyboard module is exposed to the developer as `window.keyman.osk`.

[KeymanWeb Utility Module](util)
:   The KeymanWeb Utility Function module is exposed to the developer as `window.keyman.util`.

[KeymanWeb Output Functions](interface)
:   KeymanWeb exposes its keyboard interface object through `window.keyman.interface`, providing a number of functions for low-level processing of input, context and output.

[Desktop User Interfaces](ui)
:   Four different KeymanWeb user interfaces for desktop browsers are included, allowing users to select and enable keyboard mapping from a list of installed keyboards, and to control the visibility of the On-Screen Keyboard.

[KeymanWeb Initialization Options](core/init#init_options)
:   The following options can be defined by the site designer in the initialization call to KeymanWeb.

[KeymanWeb Events](events)
:   A number of KeymanWeb events are exposed to allow the designer of a user interface to control the appearance and behavior of user interface elements. Standard event-processing requires all arguments to be passed as an array (object) with named member variables.

[KeymanWeb Keyboard Properties](keyboard_properties)
:   Most keyboards are generated automatically from the Keyman keyboard source by Keyman Developer and contain properties used by KeymanWeb during keyboard mapping.

[KeymanWeb Layout Designer](layouts)
:   One of the main features of KeymanWeb is its ability to support distinct, user-customizable layouts for touch-screen keyboards on phones and tablets.

[KeymanWeb Layout Specifications](layoutspec)
:   Touch-screen layouts for KeymanWeb are specified as JSON objects containing a member object for each specified device type.

[KeymanWeb Keyboard Development Reference](/developer/language/guide/multi-platform)
:   Information on how to explicitly support KeymanWeb in custom keyboards.