n</a></li>
<li><a href=#signature>Signature</a></li>
<li><a href=#how-it-works>How it works</a></li>
<li><a href=#typical-usage>Typical usage</a></li>
<li><a href=#error-handling>Error handling</a></li>
<li><a href=#loading-icons-and-error-messages>Loading icons and error messages</a></li>
<li><a href=#dynamic-urls>Dynamic URLs</a></li>
<li><a href=#aborting-requests>Aborting requests</a></li>
<li><a href=#file-uploads>File uploads</a></li>
<li><a href=#monitoring-progress>Monitoring progress</a></li>
<li><