Loads the JavaScript handlers for el_notification() and el_message().
Automatically included by use_element() and el_page().
Examples
el_feedback_dependency()
#> List of 10
#> $ name : chr "el-feedback-handler"
#> $ version : chr "1.0.0"
#> $ src :List of 1
#> ..$ file: chr "/home/runner/work/_temp/Library/shiny.element/js"
#> $ meta : NULL
#> $ script : chr "el-feedback-handler.js"
#> $ stylesheet: NULL
#> $ head : NULL
#> $ attachment: NULL
#> $ package : NULL
#> $ all_files : logi TRUE
#> - attr(*, "class")= chr "html_dependency"