activate_js | R Documentation |
activate_js
is used to insert directly some JavaScript functions in your golem.
By default bundle_ressources()
load these function automatically for you.
activate_js() invoke_js(fun, ..., session = shiny::getDefaultReactiveDomain())
fun |
JS function to be invoked. |
... |
JSON-like messages to be sent to the triggered JS function |
session |
The shiny session within which to call
|
These JavaScript functions can be called from
the server with invoke_js
. invoke_js
can also be used
to launch any JS function created inside a Shiny JavaScript handler.
Used for side-effects.
if (interactive()) { library(shiny) ui <- fluidPage( golem::activate_js(), # already loaded in your golem by `bundle_resources()` fluidRow( actionButton(inputId = "hidebutton1", label = "hide button1"), actionButton(inputId = "showbutton1", label = "show button1"), actionButton(inputId = "button1", label = "button1") ), fluidRow( actionButton(inputId = "hideclassA", label = "hide class A"), actionButton(inputId = "showclassA", label = "show class A"), actionButton(inputId = "buttonA1", label = "button A1", class = "A"), actionButton(inputId = "buttonA2", label = "button A2", class = "A"), actionButton(inputId = "buttonA3", label = "button A3", class = "A") ), fluidRow( actionButton(inputId = "clickhide", label = "click on 'hide button1' and 'hide class A'"), actionButton(inputId = "clickshow", label = "click on 'show button1' and 'show class A'") ), fluidRow( actionButton(inputId = "disableA", label = "disable class A"), actionButton(inputId = "reableA", label = "reable class A") ), fluidRow( actionButton(inputId = "alertbutton", label = "alert button"), actionButton(inputId = "promptbutton", label = "prompt button"), actionButton(inputId = "confirmbutton", label = "confirm button") ) ) server <- function(input, output, session) { observeEvent(input$hidebutton1, { golem::invoke_js("hideid", "button1") }) observeEvent(input$showbutton1, { golem::invoke_js("showid", "button1") }) observeEvent(input$hideclassA, { golem::invoke_js("hideclass", "A") }) observeEvent(input$showclassA, { golem::invoke_js("showclass", "A") }) observeEvent(input$clickhide, { golem::invoke_js("clickon", "#hidebutton1") golem::invoke_js("clickon", "#hideclassA") }) observeEvent(input$clickshow, { golem::invoke_js("clickon", "#showbutton1") golem::invoke_js("clickon", "#showclassA") }) observeEvent(input$disableA, { golem::invoke_js("disable", ".A") }) observeEvent(input$reableA, { golem::invoke_js("reable", ".A") }) observeEvent(input$alertbutton, { golem::invoke_js("alert", "ALERT!!") }) observeEvent(input$promptbutton, { golem::invoke_js("prompt", list(message = "what's your name?", id = "name")) }) observeEvent(input$name, { message(paste("input$name", input$name)) }) observeEvent(input$confirmbutton, { golem::invoke_js("confirm", list(message = "Are you sure?", id = "sure")) }) observeEvent(input$sure, { message(paste("input$sure", input$sure)) }) } shinyApp(ui, server) }
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