actionButton

0th

Percentile

Action button/link

Creates an action button or link whose value is initially zero, and increments by one each time it is pressed.

Usage
actionButton(inputId, label, icon = NULL, width = NULL, ...)

actionLink(inputId, label, icon = NULL, ...)

Arguments
inputId

The input slot that will be used to access the value.

label

The contents of the button or link--usually a text label, but you could also use any other HTML, like an image.

icon

An optional icon to appear on the button.

width

The width of the input, e.g. '400px', or '100%'; see validateCssUnit.

...

Named attributes to be applied to the button or link.

See Also

observeEvent and eventReactive

Other input elements: checkboxGroupInput, checkboxInput, dateInput, dateRangeInput, fileInput, numericInput, passwordInput, radioButtons, selectInput, sliderInput, submitButton, textAreaInput, textInput

Aliases
  • actionButton
  • actionLink
Examples
# NOT RUN {
## Only run examples in interactive R sessions
if (interactive()) {

ui <- fluidPage(
  sliderInput("obs", "Number of observations", 0, 1000, 500),
  actionButton("goButton", "Go!"),
  plotOutput("distPlot")
)

server <- function(input, output) {
  output$distPlot <- renderPlot({
    # Take a dependency on input$goButton. This will run once initially,
    # because the value changes from NULL to 0.
    input$goButton

    # Use isolate() to avoid dependency on input$obs
    dist <- isolate(rnorm(input$obs))
    hist(dist)
  })
}

shinyApp(ui, server)

}

# }
Documentation reproduced from package shiny, version 1.1.0, License: GPL-3 | file LICENSE

Community examples

Looks like there are no examples yet.