Create a download actionBttn
Create a download button with actionBttn.
downloadBttn( outputId, label = "Download", style = "unite", color = "primary", size = "md", block = FALSE, no_outline = TRUE )
outputId | 
 The name of the output slot that the   | 
label | 
 The label that should appear on the button.  | 
style | 
 Style of the button, to choose between   | 
color | 
 Color of the button :   | 
size | 
 Size of the button :   | 
block | 
 Logical, full width button.  | 
no_outline | 
 Logical, don't show outline when navigating with keyboard/interact using mouse or touch.  | 
if (interactive()) {
library(shiny)
library(shinyWidgets)
ui <- fluidPage(
  tags$h2("Download bttn"),
  downloadBttn(
    outputId = "downloadData",
    style = "bordered",
    color = "primary"
  )
)
server <- function(input, output, session) {
  output$downloadData <- downloadHandler(
    filename = function() {
      paste('data-', Sys.Date(), '.csv', sep='')
    },
    content = function(con) {
      write.csv(mtcars, con)
    }
  )
}
shinyApp(ui, server)
}Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.