How do I add input parameters for shinyjs::shinyjs.init() function in R?
I am modularizing my R Shiny app with custom Javascript functions using shinyjs package. I find defining parameters for js$functionName(params) useful and would like to also use it for shinyjs.init() that is automatically called when the app is initially loaded.
Clarification with JohnCoene's comment:
From the code below, I want to use customMessage defined within R used in shinyjs.init(). I want this because I have a pre-defined script that includes all hard-coded variables including HTML class names and IDs. I do not want to define another variable within shinyjs.init().
Please refer to the reproducible example using codes from the
shinyjs official page below:
library(shiny)
library(shinyjs)
customMessage <- 'The app has been launched'
jsCode <- '
shinyjs.init = function() {
alert("I want to have a custom parameter for shinyjs.init()!");
}
shinyjs.backgroundCol = function(params) {
var defaultParams = {
id : null,
col : "red"
};
params = shinyjs.getParams(params, defaultParams);
console.log(params);
var el = $("#" + params.id);
el.css("background-color", params.col);
}'
shinyApp(
ui = fluidPage(
useShinyjs(),
extendShinyjs(text = jsCode),
p(id = "name", "My name is Dean"),
p(id = "sport", "I like soccer"),
selectInput("col", "Colour:",
c("white", "yellow", "red", "blue", "purple")),
textInput("selector", "Element", ""),
actionButton("btn", "Go")
),
server = function(input, output) {
observeEvent(input$btn, {
js$backgroundCol(input$selector, input$col)
})
}
)
javascript r shiny shinyjs
asked Nov 14 '18 at 23:17
Jason Jisu ParkJason Jisu Park
1266
add a comment |
I am modularizing my R Shiny app with custom Javascript functions using shinyjs package. I find defining parameters for js$functionName(params) useful and would like to also use it for shinyjs.init() that is automatically called when the app is initially loaded.
Clarification with JohnCoene's comment:
From the code below, I want to use customMessage defined within R used in shinyjs.init(). I want this because I have a pre-defined script that includes all hard-coded variables including HTML class names and IDs. I do not want to define another variable within shinyjs.init().
Please refer to the reproducible example using codes from the
shinyjs official page below:
library(shiny)
library(shinyjs)
customMessage <- 'The app has been launched'
jsCode <- '
shinyjs.init = function() {
alert("I want to have a custom parameter for shinyjs.init()!");
}
shinyjs.backgroundCol = function(params) {
var defaultParams = {
id : null,
col : "red"
};
params = shinyjs.getParams(params, defaultParams);
console.log(params);
var el = $("#" + params.id);
el.css("background-color", params.col);
}'
shinyApp(
ui = fluidPage(
useShinyjs(),
extendShinyjs(text = jsCode),
p(id = "name", "My name is Dean"),
p(id = "sport", "I like soccer"),
selectInput("col", "Colour:",
c("white", "yellow", "red", "blue", "purple")),
textInput("selector", "Element", ""),
actionButton("btn", "Go")
),
server = function(input, output) {
observeEvent(input$btn, {
js$backgroundCol(input$selector, input$col)
})
}
)
javascript r shiny shinyjs
asked Nov 14 '18 at 23:17
Jason Jisu ParkJason Jisu Park
1266
I'm unsure what you are trying to achieve. How would you pass arguments toshinyjs.initwhich is ran at the app launch before any parameter could even be available.
– JohnCoene
Nov 15 '18 at 10:47
add a comment |
I am modularizing my R Shiny app with custom Javascript functions using shinyjs package. I find defining parameters for js$functionName(params) useful and would like to also use it for shinyjs.init() that is automatically called when the app is initially loaded.
Clarification with JohnCoene's comment:
From the code below, I want to use customMessage defined within R used in shinyjs.init(). I want this because I have a pre-defined script that includes all hard-coded variables including HTML class names and IDs. I do not want to define another variable within shinyjs.init().
Please refer to the reproducible example using codes from the
shinyjs official page below:
library(shiny)
library(shinyjs)
customMessage <- 'The app has been launched'
jsCode <- '
shinyjs.init = function() {
alert("I want to have a custom parameter for shinyjs.init()!");
}
shinyjs.backgroundCol = function(params) {
var defaultParams = {
id : null,
col : "red"
};
params = shinyjs.getParams(params, defaultParams);
console.log(params);
var el = $("#" + params.id);
el.css("background-color", params.col);
}'
shinyApp(
ui = fluidPage(
useShinyjs(),
extendShinyjs(text = jsCode),
p(id = "name", "My name is Dean"),
p(id = "sport", "I like soccer"),
selectInput("col", "Colour:",
c("white", "yellow", "red", "blue", "purple")),
textInput("selector", "Element", ""),
actionButton("btn", "Go")
),
server = function(input, output) {
observeEvent(input$btn, {
js$backgroundCol(input$selector, input$col)
})
}
)
javascript r shiny shinyjs
asked Nov 14 '18 at 23:17
Jason Jisu ParkJason Jisu Park
1266
I am modularizing my R Shiny app with custom Javascript functions using shinyjs package. I find defining parameters for js$functionName(params) useful and would like to also use it for shinyjs.init() that is automatically called when the app is initially loaded.
Clarification with JohnCoene's comment:
From the code below, I want to use customMessage defined within R used in shinyjs.init(). I want this because I have a pre-defined script that includes all hard-coded variables including HTML class names and IDs. I do not want to define another variable within shinyjs.init().
Please refer to the reproducible example using codes from the
shinyjs official page below:
library(shiny)
library(shinyjs)
customMessage <- 'The app has been launched'
jsCode <- '
shinyjs.init = function() {
alert("I want to have a custom parameter for shinyjs.init()!");
}
shinyjs.backgroundCol = function(params) {
var defaultParams = {
id : null,
col : "red"
};
params = shinyjs.getParams(params, defaultParams);
console.log(params);
var el = $("#" + params.id);
el.css("background-color", params.col);
}'
shinyApp(
ui = fluidPage(
useShinyjs(),
extendShinyjs(text = jsCode),
p(id = "name", "My name is Dean"),
p(id = "sport", "I like soccer"),
selectInput("col", "Colour:",
c("white", "yellow", "red", "blue", "purple")),
textInput("selector", "Element", ""),
actionButton("btn", "Go")
),
server = function(input, output) {
observeEvent(input$btn, {
js$backgroundCol(input$selector, input$col)
})
}
)
javascript r shiny shinyjs
javascript r shiny shinyjs
asked Nov 14 '18 at 23:17
Jason Jisu ParkJason Jisu Park
1266
asked Nov 14 '18 at 23:17
Jason Jisu ParkJason Jisu Park
1266
edited Nov 15 '18 at 15:36
Jason Jisu Park
asked Nov 14 '18 at 23:17
Jason Jisu ParkJason Jisu Park
1266
asked Nov 14 '18 at 23:17
Jason Jisu ParkJason Jisu Park
1266
asked Nov 14 '18 at 23:17
Jason Jisu ParkJason Jisu Park
1266
1266
I'm unsure what you are trying to achieve. How would you pass arguments toshinyjs.initwhich is ran at the app launch before any parameter could even be available.
– JohnCoene
Nov 15 '18 at 10:47
add a comment |
I'm unsure what you are trying to achieve. How would you pass arguments toshinyjs.initwhich is ran at the app launch before any parameter could even be available.
– JohnCoene
Nov 15 '18 at 10:47
I'm unsure what you are trying to achieve. How would you pass arguments to
shinyjs.init which is ran at the app launch before any parameter could even be available.– JohnCoene
Nov 15 '18 at 10:47
I'm unsure what you are trying to achieve. How would you pass arguments to
shinyjs.init which is ran at the app launch before any parameter could even be available.– JohnCoene
Nov 15 '18 at 10:47
add a comment |
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I'm unsure what you are trying to achieve. How would you pass arguments to
shinyjs.initwhich is ran at the app launch before any parameter could even be available.– JohnCoene
Nov 15 '18 at 10:47