downloadButton.md
In shiny: Web Application Framework for R

downloadButton snapshot (enabled = 'auto')

Code
  downloadButton("dl", "Download")
Output
  <a aria-disabled="true" class="btn btn-default shiny-download-link disabled" download href="" id="dl" tabindex="-1" target="_blank">
    <i class="fas fa-download" role="presentation" aria-label="download icon"></i>
    Download
  </a>

downloadButton snapshot (enabled = FALSE)

Code
  downloadButton("dl", "Download", enabled = FALSE)
Output
  <a aria-disabled="true" class="btn btn-default shiny-download-link disabled" data-shiny-disable-auto-enable download href="" id="dl" tabindex="-1" target="_blank">
    <i class="fas fa-download" role="presentation" aria-label="download icon"></i>
    Download
  </a>

downloadButton snapshot (enabled = TRUE)

Code
  downloadButton("dl", "Download", enabled = TRUE)
Output
  <a id="dl" class="btn btn-default shiny-download-link" href="" target="_blank" download data-shiny-disable-auto-enable>
    <i class="fas fa-download" role="presentation" aria-label="download icon"></i>
    Download
  </a>

downloadLink snapshot (enabled = 'auto')

Code
  downloadLink("dl", "Download")
Output
  <a aria-disabled="true" class="shiny-download-link disabled" download href="" id="dl" tabindex="-1" target="_blank">Download</a>

downloadLink snapshot (enabled = FALSE)

Code
  downloadLink("dl", "Download", enabled = FALSE)
Output
  <a aria-disabled="true" class="shiny-download-link disabled" data-shiny-disable-auto-enable download href="" id="dl" tabindex="-1" target="_blank">Download</a>

downloadLink snapshot (enabled = TRUE)

Code
  downloadLink("dl", "Download", enabled = TRUE)
Output
  <a id="dl" class="shiny-download-link" href="" target="_blank" download data-shiny-disable-auto-enable>Download</a>