html {shinyjs} | R Documentation |
Change the text or HTML inside an element. The given HTML can be any R expression, and it can either be appended to the currentcontents of the element or overwrite it (default).
html(id, html, add, selector)
id |
The id of the element/Shiny tag |
html |
The HTML/text to place inside the element. Can be either simple plain text or valid HTML code. |
add |
If |
selector |
JQuery selector of the elements to target. Ignored if the |
shinyjs
must be initialized with a call to useShinyjs()
in the app's ui.
if (interactive()) { library(shiny) shinyApp( ui = fluidPage( useShinyjs(), # Set up shinyjs actionButton("btn", "Click me"), p(id = "element", "Watch what happens to me") ), server = function(input, output) { observeEvent(input$btn, { # Change the following line for more examples html("element", paste0("The date is ", date())) }) } ) } ## Not run: # The shinyjs function call in the above app can be replaced by # any of the following examples to produce similar Shiny apps html("element", "Hello!") html("element", " Hello!", TRUE) html("element", "<strong>bold</strong> that was achieved with HTML") local({val <- "some text"; html("element", val)}) html(id = "element", add = TRUE, html = input$btn) ## End(Not run)