Added methods for manipulating element classes and improved the optional/required when fieldset is used

man/htmlAddClasses.Rd

@@ -0,0 +1,23 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/htmlClassManipulation.R
+\name{htmlAddClasses}
+\alias{htmlAddClasses}
+\title{Add classes to an HTML element}
+\usage{
+htmlAddClasses(el, classes)
+}
+\arguments{
+\item{el}{The element to add the class(es) to}
+
+\item{classes}{The class(es) to be added}
+}
+\value{
+The modified element
+}
+\description{
+Add classes to an HTML element
+}
+\examples{
+x <- shiny::tags$div()
+htmlAddClasses(x, "btn-warning")
+}