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client/server interaction with shiny - part 1
library(shiny)
shinyServer( function(input, output, session) {
output$results <- renderPrint({
input$mydata
})
})
library(shiny)
shinyUI( bootstrapPage(
# a div named mydiv
tags$div(id="mydiv",
style="width: 50px; height :50px; left: 100px; top: 100px;
background-color: gray; position: absolute"),
# an element for unformatted text
verbatimTextOutput("results"),
# javascript code to send data to shiny server
tags$script('
document.getElementById("mydiv").onclick = function() {
var number = Math.random();
Shiny.onInputChange("mydata", number);
};
')
))
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