Description Usage Arguments Note See Also Examples
alert
(and its alias info
) shows a message to the user as a
simple popup.
logjs
writes a message to the JavaScript console. logjs
is
mainly used for debugging purposes as a way to non-intrusively print
messages, but it is also visible to the user if they choose to inspect the
console. You can also use the showLog
function to
print the JavaScript message directly to the R console.
1 2 3 4 5 |
text |
The message to show. Can be either simple text or an R object. |
shinyjs
must be initialized with a call to useShinyjs()
in the app's ui.
useShinyjs
,
runExample
,
showLog
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | if (interactive()) {
library(shiny)
shinyApp(
ui = fluidPage(
useShinyjs(), # Set up shinyjs
actionButton("btn", "Click me")
),
server = function(input, output) {
observeEvent(input$btn, {
# Change the following line for more examples
alert(paste0("The date is ", date()))
})
}
)
}
## Not run:
# The shinyjs function call in the above app can be replaced by
# any of the following examples to produce similar Shiny apps
alert("Hello!")
alert(text = R.Version())
logjs(R.Version())
## End(Not run)
|
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