textInput placeholder that would disappear once clicked on textbox?

[Bernhard Klingenberg]

Is there a way for the text (set via 'value=') to disappear when clicking on a textbox created via textInput? I think the term for this is placeholder.

For example, below I would like the text to go away once I click on the textbox:

ui <- fluidPage(

  sidebarLayout(

    sidebarPanel(

      textInput("mytext", "Enter Label:", value="This should go away on click")

    ),

    mainPanel(textOutput("showtext"))

  )

)

server <- function(input, output) {

  output$showtext <- renderText(input$mytext)

}

shinyApp(ui = ui, server = server)

So, I'm looking for a behavior similar to what you get with selectInput, where once a selection is made the text in the textbox disappears.

Thanks,

Bernhard

[Joe Cheng]

Just made a PR for this here:

https://github.com/rstudio/shiny/pull/967/files

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