Elm UI Button Click Example - Elm-ui Typing CST Test
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Elm UI Button Click Example — Elm-ui Code
Changes label text when button is clicked.
module Main exposing (main)
import Browser
import Element exposing (..)
import Element.Events exposing (onClick)
-- MODEL
type alias Model =
{ clicked : Bool }
initialModel : Model
initialModel =
{ clicked = False }
-- UPDATE
type Msg = Click
update : Msg -> Model -> Model
update msg model =
case msg of
Click -> { model | clicked = True }
-- VIEW
view : Model -> Element Msg
view model =
column [ spacing 10, padding 20, alignCenter ]
[ text (if model.clicked then "Button Clicked!" else "Click the Button")
, button [ onClick Click ] (text "Click Me")
]
-- MAIN
main = Browser.sandbox { init = initialModel, update = update, view = view }Elm-ui Language Guide
Elm UI is a library for building web interfaces in Elm, focusing on layout and styling in a declarative, type-safe way without relying on CSS.
Primary Use Cases
- ▸Building web interfaces in Elm
- ▸Creating responsive layouts without CSS
- ▸Developing reusable UI components
- ▸Prototyping web app designs quickly
- ▸Type-safe styling and spacing
Notable Features
- ▸Declarative layout syntax
- ▸Completely typed in Elm
- ▸Composable UI boxes
- ▸Supports responsive and flexible layouts
- ▸Eliminates manual CSS for many tasks
Origin & Creator
Elm UI was created by the Elm community, with Evan Czaplicki (creator of Elm) influencing its design for declarative UI patterns.
Industrial Note
Elm UI is used primarily in Elm applications to replace CSS for layout management, providing strong type safety and predictable UI behavior.