AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |
Back to Blog
Shiny shinyjs runjs3/17/2023 I also think it’s generally aīetter idea to keep most of the logic in the server, and using Logic involved in hiding/showing, I find it much easier to move that I still useĬonditionalPanel sometimes for basic use cases, but when there is some Using shiny::conditionalPanel, though I’ve experienced that usingĬonditionalPanel often gets my UI to a messier state. It is possible to achieve a similar behaviour to hide and show by Altenatives using native Shiny shiny::conditionalPanel vs shinyjs::hide/show/toggle/hidden Library ( shiny ) shinyApp ( ui = fluidPage ( div ( id = "myapp", h2 ( "shinyjs demo" ), textInput ( "name", "Name", "" ), numericInput ( "age", "Age", 30 ), textInput ( "company", "Company", "" ), p ( "Timestamp: ", span ( date ())), actionButton ( "submit", "Submit" ) ) ), server = function ( input, output ) ) Here is a very simple implementation of such an app (nothingĪctually happens when the user “submits”). Information (name, age, company) and submits it, along with the time of Suppose we want to have a simple Shiny app that collects a user’s basic You can view the final Shiny app developed in this simple example Shinyjs::runExample() to see more demo apps. Logjs - print a message to the JavaScript console (mainly used forĬheck out the demo Shiny app to see some of these in action, or install shinyjs and run InlineCSS - easily add inline CSS to a Shiny app Was originallyĭeveloped with the sole purpose of running a shinyjs function whenĪn element is clicked, though any R code can be used.ĪddClass/ removeClass/ toggleClass - add or remove a CSS class Onclick - run R code when an element is clicked. Html - change the text/HTML of an element (using JavaScript’s Info - show a message to the user (using JavaScript’s alert Hidden - initialize a Shiny tag as invisible (can be shown laterĮnable/ disable/ toggleState - enable or disable an inputĮlement, such as a button or a text input. There areĪrguments that control the animation as well, though animation is Show/ hide/ toggle - display or hide an element. Not proficient in JS, hopefully this package will make it easy to extend I was lucky enough to have previous experience with JS so I knew how toĪchieve the results that I wanted, but for any Shiny developer who is Now I can simply call hide("panel") or disable("button"). Message passing, I decided to just package it to make it easily Since making Shiny talk to JS is a bit tedious and annoying with all the Popup message to the user, manipulating the CSS class or HTML content ofĪfter noticing that I’m writing the same JS code in all my apps, and Like showing/hiding elements, enabling/disabling a button, showing a Supported natively by Shiny or it’s just cleaner to do so. Myself in my Shiny apps using JavaScript (JS) because it’s either not Pieces of functionality that I always find missing and I implement Shiny is a fantastic R package provided by RStudio that lets you turnĪny R code into an interactive webpage. ( devtools::install_github("daattali/shinyjs")). ( install.packages("shinyjs")) and GitHub Play around with some of the functionality that shinyjs makesĪvailable, or have a look at a very basic ShinyĮnhance the user experience with very minimal and simple R code. You can check out a demo Shiny app that lets you
0 Comments
Read More
Leave a Reply. |