==========
JavaScript
==========

With `lv_binding_js <https://github.com/lvgl/lv_binding_js>`__ you can
write lvgl with JavaScript.

It uses React's virtual DOM concept to manipulate lvgl UI components,
providing a familiar React-like experience to users.

**Code**

**Code Running on Real Device**

Table of Contents
-----------------

-  `Features <#features>`__
-  `Demo <#demo>`__
-  `Building <#building>`__
-  `Components <#components>`__
-  `Font <#font>`__
-  `Animation <#animation>`__
-  `Style <#style>`__
-  `JSAPI <#jsapi>`__
-  `Thanks <#thanks>`__

Features
--------

-  Support all lvgl built-in components
-  Fully support lvgl flex and grid style
-  support most lvgl style, just write like html5 css
-  support dynamic load image
-  Fully support lvgl animation

Demo
----

See the
`demo <https://github.com/lvgl/lv_binding_js/tree/master/demo>`__ folder

Building
--------

The following are developer notes on how to build lvgljs on your native
platform. They are not complete guides, but include notes on the
necessary libraries, compile flags, etc.

lvgljs
~~~~~~

-  `ubuntu build Notes for sdl
   simulator <https://github.com/lvgl/lv_binding_js/blob/master/doc/build/build-ubuntu-arm.md>`__
-  `macos x86 build Notes for sdl
   simulator <https://github.com/lvgl/lv_binding_js/blob/master/doc/build/build-macos-x86-simulator.md>`__
-  `ubuntu build Notes for platform
   arm <https://github.com/lvgl/lv_binding_js/blob/master/doc/build/build-ubuntu-x86-simualtor.md>`__

JS Bundle
~~~~~~~~~

-  `JS Bundle build
   Notes <https://github.com/lvgl/lv_binding_js/blob/master/doc/build/js-bundle.md>`__

Components
----------

-  `View <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/View.md>`__
-  `Image <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Image.md>`__
-  `Button <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Button.md>`__
-  `Text <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Text.md>`__
-  `Input <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Input.md>`__
-  `Textarea <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Textarea.md>`__
-  `Switch <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Switch.md>`__
-  `Checkbox <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Checkbox.md>`__
-  `Dropdownlist <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Dropdownlist.md>`__
-  `ProgressBar <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/ProgressBar.md>`__
-  `Line <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Line.md>`__
-  `Roller <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Roller.md>`__
-  `Keyboard <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Keyboard.md>`__
-  `Calendar <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Calendar.md>`__
-  `Chart <https://github.com/lvgl/lv_binding_js/blob/master/doc/component/Chart.md>`__

Font
----

`Builtin-Symbol <https://github.com/lvgl/lv_binding_js/blob/master/doc/Symbol/symbol.md>`__

Animation
---------

`Animation <https://github.com/lvgl/lv_binding_js/blob/master/doc/animate/animate.md>`__

Style
-----

.. include::https://github.com/lvgl/lv_binding_js/blob/master/doc/style/position-size-layout.md

-  `position-size-layout <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/position-size-layout.md>`__
-  `boxing-model <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/boxing-model.md>`__
-  `color <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/color.md>`__
-  `flex <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/flex.md>`__
-  `grid <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/grid.md>`__
-  `font <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/font.md>`__
-  `opacity <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/opacity.md>`__
-  `display <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/display.md>`__
-  `background <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/background.md>`__
-  `scroll <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/scroll.md>`__
-  `shadow <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/shadow.md>`__
-  `recolor <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/recolor.md>`__
-  `line <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/line.md>`__
-  `transition <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/transition.md>`__
-  `transform <https://github.com/lvgl/lv_binding_js/blob/master/doc/style/transform.md>`__

JSAPI
-----

-  `network <https://github.com/lvgl/lv_binding_js/blob/master/doc/jsapi/network.md>`__
-  `filesystem <https://github.com/lvgl/lv_binding_js/blob/master/doc/jsapi/fs.md>`__
-  `dimension <https://github.com/lvgl/lv_binding_js/blob/master/doc/jsapi/dimension.md>`__

Thanks
------

lvgljs depends on following excellent work

`lvgl <https://github.com/lvgl/lvgl>`__: Create beautiful UIs for any
MCU, MPU and display type `QuickJS <https://bellard.org/quickjs/>`__:
JavaScript engine `libuv <https://github.com/libuv/libuv>`__: platform
abstraction layer `curl <https://github.com/curl/curl>`__: HTTP client
`txiki.js <https://github.com/saghul/txiki.js>`__: Tiny JavaScript
runtime